YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 03:11:40,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 03:11:40,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 03:11:40,928 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 03:11:40,928 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 03:11:40,929 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 03:11:40,930 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 03:11:40,931 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 03:11:40,933 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 03:11:40,934 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 03:11:40,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 03:11:40,935 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 03:11:40,936 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 03:11:40,936 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 03:11:40,938 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 03:11:40,938 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 03:11:40,939 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 03:11:40,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 03:11:40,943 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 03:11:40,944 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 03:11:40,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 03:11:40,946 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 03:11:40,948 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 03:11:40,948 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 03:11:40,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 03:11:40,950 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 03:11:40,950 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 03:11:40,951 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 03:11:40,951 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 03:11:40,952 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 03:11:40,952 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 03:11:40,953 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 03:11:40,954 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 03:11:40,954 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 03:11:40,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 03:11:40,955 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 03:11:40,955 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 03:11:40,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 03:11:40,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 03:11:40,957 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 03:11:40,971 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 03:11:40,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 03:11:40,973 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 03:11:40,973 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 03:11:40,973 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 03:11:40,973 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:11:40,973 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 03:11:40,973 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 03:11:40,974 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 03:11:40,974 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 03:11:40,974 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 03:11:40,974 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 03:11:40,974 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 03:11:40,974 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 03:11:40,975 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:40,975 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 03:11:40,975 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 03:11:40,975 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 03:11:40,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 03:11:40,975 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 03:11:40,976 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 03:11:40,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 03:11:40,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 03:11:40,976 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 03:11:40,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:11:40,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 03:11:40,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 03:11:40,977 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 03:11:40,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 03:11:41,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 03:11:41,017 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 03:11:41,020 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 03:11:41,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 03:11:41,022 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 03:11:41,023 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:11:41,085 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/faf6a10992fd443c828a431a5b8be793/FLAG2e9a09167 [2020-06-22 03:11:41,417 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 03:11:41,417 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:11:41,424 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/faf6a10992fd443c828a431a5b8be793/FLAG2e9a09167 [2020-06-22 03:11:41,840 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/faf6a10992fd443c828a431a5b8be793 [2020-06-22 03:11:41,852 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 03:11:41,853 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 03:11:41,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 03:11:41,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 03:11:41,859 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 03:11:41,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:11:41" (1/1) ... [2020-06-22 03:11:41,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f047a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:41, skipping insertion in model container [2020-06-22 03:11:41,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:11:41" (1/1) ... [2020-06-22 03:11:41,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 03:11:41,890 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 03:11:42,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:11:42,060 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 03:11:42,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:11:42,150 INFO L195 MainTranslator]: Completed translation [2020-06-22 03:11:42,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42 WrapperNode [2020-06-22 03:11:42,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 03:11:42,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 03:11:42,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 03:11:42,152 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 03:11:42,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 03:11:42,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 03:11:42,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 03:11:42,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 03:11:42,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 03:11:42,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 03:11:42,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 03:11:42,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 03:11:42,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:11:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 03:11:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 03:11:42,447 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 03:11:42,448 INFO L286 CfgBuilder]: Removed 12 assue(true) statements. [2020-06-22 03:11:42,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:11:42 BoogieIcfgContainer [2020-06-22 03:11:42,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 03:11:42,450 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 03:11:42,450 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 03:11:42,452 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 03:11:42,452 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:11:42" (1/1) ... [2020-06-22 03:11:42,468 INFO L313 BlockEncoder]: Initial Icfg 15 locations, 27 edges [2020-06-22 03:11:42,470 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 03:11:42,471 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 03:11:42,471 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 03:11:42,472 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:11:42,474 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 03:11:42,475 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 03:11:42,475 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 03:11:42,499 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 03:11:42,520 INFO L200 BlockEncoder]: SBE split 5 edges [2020-06-22 03:11:42,525 INFO L70 emoveInfeasibleEdges]: Removed 4 edges and 0 locations because of local infeasibility [2020-06-22 03:11:42,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:11:42,534 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 03:11:42,536 INFO L70 RemoveSinkStates]: Removed 7 edges and 2 locations by removing sink states [2020-06-22 03:11:42,538 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:11:42,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:11:42,543 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 03:11:42,544 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:11:42,544 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:11:42,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:11:42,544 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 03:11:42,545 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:11:42,545 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 19 edges [2020-06-22 03:11:42,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:11:42 BasicIcfg [2020-06-22 03:11:42,546 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 03:11:42,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 03:11:42,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 03:11:42,551 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 03:11:42,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 03:11:41" (1/4) ... [2020-06-22 03:11:42,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2138f84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:11:42, skipping insertion in model container [2020-06-22 03:11:42,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (2/4) ... [2020-06-22 03:11:42,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2138f84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:11:42, skipping insertion in model container [2020-06-22 03:11:42,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:11:42" (3/4) ... [2020-06-22 03:11:42,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2138f84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:11:42, skipping insertion in model container [2020-06-22 03:11:42,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:11:42" (4/4) ... [2020-06-22 03:11:42,555 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:11:42,565 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 03:11:42,573 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 03:11:42,590 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 03:11:42,619 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:11:42,619 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 03:11:42,619 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 03:11:42,620 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:11:42,620 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:11:42,620 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:11:42,620 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 03:11:42,620 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:11:42,621 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 03:11:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-06-22 03:11:42,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 03:11:42,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-06-22 03:11:42,648 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2020-06-22 03:11:42,648 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 03:11:42,649 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 36) no Hoare annotation was computed. [2020-06-22 03:11:42,649 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 30 31) no Hoare annotation was computed. [2020-06-22 03:11:42,649 INFO L448 ceAbstractionStarter]: For program point L29-2(lines 13 38) no Hoare annotation was computed. [2020-06-22 03:11:42,649 INFO L448 ceAbstractionStarter]: For program point L29-3(lines 29 36) no Hoare annotation was computed. [2020-06-22 03:11:42,649 INFO L448 ceAbstractionStarter]: For program point L29-5(lines 13 38) no Hoare annotation was computed. [2020-06-22 03:11:42,649 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 22 25) no Hoare annotation was computed. [2020-06-22 03:11:42,649 INFO L448 ceAbstractionStarter]: For program point L23-3(lines 22 25) no Hoare annotation was computed. [2020-06-22 03:11:42,650 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-06-22 03:11:42,650 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2020-06-22 03:11:42,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:11:42 BasicIcfg [2020-06-22 03:11:42,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 03:11:42,654 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 03:11:42,654 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 03:11:42,657 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 03:11:42,658 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:11:42,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 03:11:41" (1/5) ... [2020-06-22 03:11:42,659 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45f1c681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:11:42, skipping insertion in model container [2020-06-22 03:11:42,659 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:11:42,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:11:42" (2/5) ... [2020-06-22 03:11:42,660 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45f1c681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:11:42, skipping insertion in model container [2020-06-22 03:11:42,660 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:11:42,660 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:11:42" (3/5) ... [2020-06-22 03:11:42,660 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45f1c681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:11:42, skipping insertion in model container [2020-06-22 03:11:42,660 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:11:42,660 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:11:42" (4/5) ... [2020-06-22 03:11:42,661 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45f1c681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:11:42, skipping insertion in model container [2020-06-22 03:11:42,661 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:11:42,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:11:42" (5/5) ... [2020-06-22 03:11:42,662 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:11:42,690 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:11:42,690 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 03:11:42,690 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 03:11:42,691 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:11:42,691 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:11:42,691 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:11:42,691 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 03:11:42,691 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:11:42,691 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 03:11:42,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-06-22 03:11:42,713 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-06-22 03:11:42,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:11:42,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:11:42,720 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:11:42,720 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:11:42,720 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 03:11:42,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-06-22 03:11:42,721 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-06-22 03:11:42,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:11:42,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:11:42,722 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:11:42,722 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:11:42,727 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 12#L41true [129] L41-->L23-3: Formula: (and (= |v_ULTIMATE.start_f_#in~d_3| v_ULTIMATE.start_f_~d_9) (= 0 |v_ULTIMATE.start_main_#t~nondet5_7|) (<= v_ULTIMATE.start_f_~k~0_13 1073741823) (= 1 v_ULTIMATE.start_f_~z~0_15) (= 2 |v_ULTIMATE.start_f_#in~d_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_13, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_11|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_3|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_7|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_5|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_13, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_5|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_15, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_15, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_9} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~d] 13#L23-3true [2020-06-22 03:11:42,727 INFO L796 eck$LassoCheckResult]: Loop: 13#L23-3true [99] L23-3-->L23-3: Formula: (and (= v_ULTIMATE.start_f_~z~0_13 (* 2 v_ULTIMATE.start_f_~z~0_14)) (< v_ULTIMATE.start_f_~z~0_14 v_ULTIMATE.start_f_~k~0_12)) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_12, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_14} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_12, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_13} AuxVars[] AssignedVars[ULTIMATE.start_f_~z~0] 13#L23-3true [2020-06-22 03:11:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:42,733 INFO L82 PathProgramCache]: Analyzing trace with hash 4190, now seen corresponding path program 1 times [2020-06-22 03:11:42,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:42,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:42,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:42,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:42,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:42,844 INFO L82 PathProgramCache]: Analyzing trace with hash 130, now seen corresponding path program 1 times [2020-06-22 03:11:42,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:42,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:42,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:42,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:42,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:42,852 INFO L82 PathProgramCache]: Analyzing trace with hash 129989, now seen corresponding path program 1 times [2020-06-22 03:11:42,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:42,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:42,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:42,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:42,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:42,941 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:11:42,943 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:11:42,943 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:11:42,943 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:11:42,943 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:11:42,943 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:42,944 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:11:42,944 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:11:42,944 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 03:11:42,944 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:11:42,944 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:11:42,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:42,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:42,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:42,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:42,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:42,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:42,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:43,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:43,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:43,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:43,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:43,133 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:11:43,134 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:43,142 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:43,150 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:43,150 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,180 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:43,180 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:43,184 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:43,184 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,212 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:43,212 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:43,216 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:43,216 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2=0} Honda state: {ULTIMATE.start_f_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,246 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:43,247 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:43,250 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:43,251 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,279 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:43,279 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:43,283 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:43,283 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,312 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:43,312 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:43,316 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:43,316 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,344 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:43,344 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:43,376 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:11:43,376 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:55,454 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-06-22 03:11:55,464 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:11:55,464 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:11:55,465 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:11:55,465 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:11:55,465 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:11:55,465 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:11:55,465 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:11:55,465 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:11:55,465 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 03:11:55,465 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:11:55,466 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:11:55,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:55,590 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:11:55,595 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:11:55,607 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:55,608 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:55,608 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:11:55,609 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:55,609 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:55,609 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:55,611 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:11:55,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:11:55,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:11:55,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:55,616 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:55,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:55,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:55,616 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:55,623 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:11:55,623 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:11:55,704 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:11:55,723 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 03:11:55,723 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 03:11:55,726 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:11:55,729 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:11:55,730 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:11:55,730 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2020-06-22 03:11:55,735 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:11:55,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:11:55,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 03:11:55,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:11:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:11:55,817 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:11:55,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:11:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:11:55,843 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 03:11:55,848 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 03:11:55,850 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states. Second operand 2 states. [2020-06-22 03:11:55,943 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states.. Second operand 2 states. Result 19 states and 33 transitions. Complement of second has 4 states. [2020-06-22 03:11:55,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 03:11:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 03:11:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2020-06-22 03:11:55,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 03:11:55,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:11:55,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 03:11:55,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:11:55,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 03:11:55,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:11:55,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 33 transitions. [2020-06-22 03:11:55,959 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2020-06-22 03:11:55,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 27 transitions. [2020-06-22 03:11:55,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-06-22 03:11:55,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-06-22 03:11:55,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 27 transitions. [2020-06-22 03:11:55,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:11:55,966 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 27 transitions. [2020-06-22 03:11:55,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 27 transitions. [2020-06-22 03:11:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2020-06-22 03:11:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-06-22 03:11:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 21 transitions. [2020-06-22 03:11:55,996 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 21 transitions. [2020-06-22 03:11:55,996 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 21 transitions. [2020-06-22 03:11:55,996 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 03:11:55,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 21 transitions. [2020-06-22 03:11:55,997 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-06-22 03:11:55,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:11:55,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:11:55,999 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 03:11:55,999 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 03:11:56,000 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 75#L41 [129] L41-->L23-3: Formula: (and (= |v_ULTIMATE.start_f_#in~d_3| v_ULTIMATE.start_f_~d_9) (= 0 |v_ULTIMATE.start_main_#t~nondet5_7|) (<= v_ULTIMATE.start_f_~k~0_13 1073741823) (= 1 v_ULTIMATE.start_f_~z~0_15) (= 2 |v_ULTIMATE.start_f_#in~d_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_13, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_11|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_3|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_7|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_5|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_13, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_5|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_15, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_15, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_9} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~d] 81#L23-3 [113] L23-3-->L29-5: Formula: (>= v_ULTIMATE.start_f_~z~0_12 v_ULTIMATE.start_f_~k~0_11) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} AuxVars[] AssignedVars[] 72#L29-5 [2020-06-22 03:11:56,000 INFO L796 eck$LassoCheckResult]: Loop: 72#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 71#L29-3 [83] L29-3-->L29-5: Formula: (and (= |v_ULTIMATE.start_f_#t~nondet3_5| 0) (= v_ULTIMATE.start_f_~y~0_6 (+ (* (- 1) v_ULTIMATE.start_f_~d_4) v_ULTIMATE.start_f_~y~0_7))) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_7, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_4} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_4|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_6, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_4} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_~y~0] 72#L29-5 [2020-06-22 03:11:56,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:56,000 INFO L82 PathProgramCache]: Analyzing trace with hash 130003, now seen corresponding path program 1 times [2020-06-22 03:11:56,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:56,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:56,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:56,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:56,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:56,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:56,010 INFO L82 PathProgramCache]: Analyzing trace with hash 4361, now seen corresponding path program 1 times [2020-06-22 03:11:56,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:56,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:56,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:56,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:56,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:56,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:56,015 INFO L82 PathProgramCache]: Analyzing trace with hash 124936283, now seen corresponding path program 1 times [2020-06-22 03:11:56,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:56,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:56,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:56,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:56,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:56,107 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:11:56,107 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:11:56,107 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:11:56,108 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:11:56,108 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:11:56,108 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,108 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:11:56,108 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:11:56,109 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-22 03:11:56,109 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:11:56,109 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:11:56,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,267 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:11:56,268 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,274 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:56,274 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:56,278 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:56,278 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,316 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:56,317 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:56,320 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:56,320 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,352 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:56,352 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:56,364 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:56,364 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,394 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:56,394 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:56,401 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:56,401 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0, ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~z~0=1, ULTIMATE.start_f_~k~0=-13} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,436 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:56,436 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:56,440 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:56,440 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,470 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:56,470 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:56,499 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:56,499 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1} Honda state: {ULTIMATE.start_f_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,509 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:56,510 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:56,542 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:11:56,542 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:56,640 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:11:56,642 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:11:56,642 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:11:56,642 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:11:56,642 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:11:56,643 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:11:56,643 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:11:56,643 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:11:56,643 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:11:56,643 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-22 03:11:56,643 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:11:56,643 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:11:56,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:56,780 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:11:56,780 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:11:56,780 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:56,781 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:56,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:11:56,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:56,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:56,782 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:56,783 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:11:56,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:11:56,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:11:56,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:56,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:56,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:56,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:56,785 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:56,787 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:11:56,787 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:11:56,793 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:11:56,793 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:56,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:56,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:11:56,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:56,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:56,795 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:56,795 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:11:56,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:11:56,797 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:11:56,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:56,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:56,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:11:56,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:56,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:56,798 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:56,798 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:11:56,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:11:56,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:11:56,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:56,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:56,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:11:56,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:56,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:56,800 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:56,801 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:11:56,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:11:56,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:11:56,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:11:56,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:11:56,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:11:56,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:11:56,803 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:11:56,806 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:11:56,806 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:11:56,824 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:11:56,841 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-06-22 03:11:56,841 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2020-06-22 03:11:56,842 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:11:56,844 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:11:56,844 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:11:56,844 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-06-22 03:11:56,856 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:11:56,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:11:56,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:11:56,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:11:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:11:56,935 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:11:56,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:11:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:11:56,977 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 03:11:56,978 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-06-22 03:11:56,978 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 21 transitions. cyclomatic complexity: 13 Second operand 4 states. [2020-06-22 03:11:57,069 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 21 transitions. cyclomatic complexity: 13. Second operand 4 states. Result 21 states and 37 transitions. Complement of second has 9 states. [2020-06-22 03:11:57,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 03:11:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 03:11:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2020-06-22 03:11:57,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 03:11:57,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:11:57,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 5 letters. Loop has 2 letters. [2020-06-22 03:11:57,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:11:57,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 3 letters. Loop has 4 letters. [2020-06-22 03:11:57,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:11:57,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 37 transitions. [2020-06-22 03:11:57,075 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-06-22 03:11:57,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 29 transitions. [2020-06-22 03:11:57,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-06-22 03:11:57,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-06-22 03:11:57,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 29 transitions. [2020-06-22 03:11:57,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:11:57,076 INFO L706 BuchiCegarLoop]: Abstraction has 17 states and 29 transitions. [2020-06-22 03:11:57,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 29 transitions. [2020-06-22 03:11:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2020-06-22 03:11:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-06-22 03:11:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 28 transitions. [2020-06-22 03:11:57,079 INFO L729 BuchiCegarLoop]: Abstraction has 16 states and 28 transitions. [2020-06-22 03:11:57,079 INFO L609 BuchiCegarLoop]: Abstraction has 16 states and 28 transitions. [2020-06-22 03:11:57,079 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 03:11:57,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 28 transitions. [2020-06-22 03:11:57,080 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-06-22 03:11:57,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:11:57,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:11:57,080 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 03:11:57,080 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 03:11:57,081 INFO L794 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 164#L41 [119] L41-->L18: Formula: (and (= v_ULTIMATE.start_f_~z~0_1 1) (= v_ULTIMATE.start_f_~d_1 |v_ULTIMATE.start_f_#in~d_1|) (= |v_ULTIMATE.start_f_#in~d_1| 1) (> 0 |v_ULTIMATE.start_main_#t~nondet5_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_1, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_1|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_1|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_3, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_1|, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_1|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_1|, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_1, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_1, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~d, ULTIMATE.start_f_~z~0] 168#L18 [110] L18-->L23-1: Formula: (>= 1073741823 v_ULTIMATE.start_f_~k~0_4) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} AuxVars[] AssignedVars[] 167#L23-1 [2020-06-22 03:11:57,081 INFO L796 eck$LassoCheckResult]: Loop: 167#L23-1 [103] L23-1-->L23-1: Formula: (and (= v_ULTIMATE.start_f_~z~0_6 (* 2 v_ULTIMATE.start_f_~z~0_7)) (< v_ULTIMATE.start_f_~z~0_7 v_ULTIMATE.start_f_~k~0_6)) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_6, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_7} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_6, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_f_~z~0] 167#L23-1 [2020-06-22 03:11:57,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:57,081 INFO L82 PathProgramCache]: Analyzing trace with hash 129690, now seen corresponding path program 1 times [2020-06-22 03:11:57,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:57,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:57,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:57,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:57,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:57,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:57,088 INFO L82 PathProgramCache]: Analyzing trace with hash 134, now seen corresponding path program 1 times [2020-06-22 03:11:57,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:57,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:57,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:57,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:57,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:57,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:11:57,094 INFO L82 PathProgramCache]: Analyzing trace with hash 4020493, now seen corresponding path program 1 times [2020-06-22 03:11:57,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:11:57,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:11:57,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:57,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:11:57,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:11:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:11:57,124 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:11:57,124 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:11:57,125 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:11:57,125 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:11:57,125 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:11:57,125 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:57,125 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:11:57,125 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:11:57,125 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 03:11:57,125 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:11:57,126 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:11:57,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:11:57,207 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:11:57,208 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:57,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:57,211 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:57,215 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:57,215 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:57,241 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:57,241 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:11:57,246 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:11:57,246 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d=0, ULTIMATE.start_f_#in~d=0} Honda state: {ULTIMATE.start_f_~d=1, ULTIMATE.start_f_#in~d=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:57,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:11:57,272 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:11:57,304 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:11:57,304 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:09,380 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-06-22 03:12:09,390 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:09,390 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:09,391 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:09,391 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:09,391 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:09,391 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:09,391 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:09,391 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:09,391 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 03:12:09,391 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:09,391 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:09,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,470 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:09,470 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:09,471 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:09,471 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:09,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:09,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:09,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:09,472 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:09,472 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:09,472 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:09,473 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:09,474 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:09,474 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:09,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:09,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:09,474 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:09,476 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:09,476 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:09,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:09,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:09,482 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:09,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:09,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:09,482 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:09,485 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:09,485 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:09,504 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:09,514 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-06-22 03:12:09,515 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2020-06-22 03:12:09,515 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:09,516 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:12:09,517 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:09,517 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0, ULTIMATE.start_f_~z~0) = 1*ULTIMATE.start_f_~k~0 - 1*ULTIMATE.start_f_~z~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2020-06-22 03:12:09,519 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:12:09,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:09,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 03:12:09,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:09,564 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:09,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:09,573 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 03:12:09,573 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-06-22 03:12:09,573 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 16 states and 28 transitions. cyclomatic complexity: 17 Second operand 3 states. [2020-06-22 03:12:09,628 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 16 states and 28 transitions. cyclomatic complexity: 17. Second operand 3 states. Result 25 states and 43 transitions. Complement of second has 5 states. [2020-06-22 03:12:09,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 03:12:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 03:12:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2020-06-22 03:12:09,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 03:12:09,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:09,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 4 letters. Loop has 1 letters. [2020-06-22 03:12:09,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:09,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 03:12:09,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:09,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 43 transitions. [2020-06-22 03:12:09,633 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2020-06-22 03:12:09,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 37 transitions. [2020-06-22 03:12:09,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-06-22 03:12:09,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-06-22 03:12:09,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 37 transitions. [2020-06-22 03:12:09,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:12:09,635 INFO L706 BuchiCegarLoop]: Abstraction has 22 states and 37 transitions. [2020-06-22 03:12:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 37 transitions. [2020-06-22 03:12:09,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2020-06-22 03:12:09,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-06-22 03:12:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 30 transitions. [2020-06-22 03:12:09,637 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 30 transitions. [2020-06-22 03:12:09,637 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 30 transitions. [2020-06-22 03:12:09,637 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 03:12:09,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 30 transitions. [2020-06-22 03:12:09,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-06-22 03:12:09,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:12:09,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:12:09,639 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 03:12:09,639 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 03:12:09,639 INFO L794 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 248#L41 [119] L41-->L18: Formula: (and (= v_ULTIMATE.start_f_~z~0_1 1) (= v_ULTIMATE.start_f_~d_1 |v_ULTIMATE.start_f_#in~d_1|) (= |v_ULTIMATE.start_f_#in~d_1| 1) (> 0 |v_ULTIMATE.start_main_#t~nondet5_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_1, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_1|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_1|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_3, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_1|, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_1|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_1|, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_1, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_1, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~d, ULTIMATE.start_f_~z~0] 253#L18 [110] L18-->L23-1: Formula: (>= 1073741823 v_ULTIMATE.start_f_~k~0_4) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} AuxVars[] AssignedVars[] 251#L23-1 [112] L23-1-->L29-2: Formula: (>= v_ULTIMATE.start_f_~z~0_5 v_ULTIMATE.start_f_~k~0_5) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} AuxVars[] AssignedVars[] 249#L29-2 [2020-06-22 03:12:09,639 INFO L796 eck$LassoCheckResult]: Loop: 249#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 250#L29 [92] L29-->L29-2: Formula: (and (= v_ULTIMATE.start_f_~y~0_11 (+ (* (- 1) v_ULTIMATE.start_f_~d_6) v_ULTIMATE.start_f_~y~0_12)) (= |v_ULTIMATE.start_f_#t~nondet3_9| 0)) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_9|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_12, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_6} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_8|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_11, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_6} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_~y~0] 249#L29-2 [2020-06-22 03:12:09,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:09,640 INFO L82 PathProgramCache]: Analyzing trace with hash 4020502, now seen corresponding path program 1 times [2020-06-22 03:12:09,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:09,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:09,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:09,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:09,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:09,646 INFO L82 PathProgramCache]: Analyzing trace with hash 3719, now seen corresponding path program 1 times [2020-06-22 03:12:09,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:09,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:09,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:09,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:09,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:09,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:09,651 INFO L82 PathProgramCache]: Analyzing trace with hash -431262116, now seen corresponding path program 1 times [2020-06-22 03:12:09,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:09,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:09,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:09,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:09,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:09,705 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:09,706 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:09,706 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:09,706 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:09,706 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:09,706 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:09,706 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:09,706 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:09,706 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-22 03:12:09,707 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:09,707 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:09,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:09,796 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:09,796 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:09,799 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:09,799 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:09,802 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:09,802 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:09,828 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:09,828 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:09,834 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:09,834 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0, ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~z~0=1, ULTIMATE.start_f_~k~0=-13} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:09,859 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:09,859 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:09,863 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:09,863 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:09,889 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:09,889 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:09,918 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:09,918 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:10,043 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:12:10,045 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:10,045 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:10,045 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:10,045 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:10,046 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:10,046 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:10,046 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:10,046 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:10,046 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-22 03:12:10,046 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:10,046 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:10,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,124 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:10,124 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:10,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:10,125 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:10,125 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:10,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:10,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:10,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:10,126 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:10,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:10,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:10,127 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:10,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:10,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:10,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:10,128 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:10,130 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:10,130 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:10,141 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:10,145 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 03:12:10,145 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 03:12:10,146 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:10,147 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:12:10,147 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:10,148 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-06-22 03:12:10,150 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:12:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:10,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:12:10,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:10,186 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:10,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:10,219 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 03:12:10,219 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-06-22 03:12:10,219 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 17 states and 30 transitions. cyclomatic complexity: 18 Second operand 4 states. [2020-06-22 03:12:10,295 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 17 states and 30 transitions. cyclomatic complexity: 18. Second operand 4 states. Result 26 states and 46 transitions. Complement of second has 9 states. [2020-06-22 03:12:10,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 03:12:10,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 03:12:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2020-06-22 03:12:10,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2020-06-22 03:12:10,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:10,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 6 letters. Loop has 2 letters. [2020-06-22 03:12:10,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:10,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 4 letters. Loop has 4 letters. [2020-06-22 03:12:10,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:10,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 46 transitions. [2020-06-22 03:12:10,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-06-22 03:12:10,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 22 states and 38 transitions. [2020-06-22 03:12:10,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-06-22 03:12:10,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2020-06-22 03:12:10,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 38 transitions. [2020-06-22 03:12:10,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:12:10,302 INFO L706 BuchiCegarLoop]: Abstraction has 22 states and 38 transitions. [2020-06-22 03:12:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 38 transitions. [2020-06-22 03:12:10,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-06-22 03:12:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-06-22 03:12:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 37 transitions. [2020-06-22 03:12:10,305 INFO L729 BuchiCegarLoop]: Abstraction has 21 states and 37 transitions. [2020-06-22 03:12:10,306 INFO L609 BuchiCegarLoop]: Abstraction has 21 states and 37 transitions. [2020-06-22 03:12:10,306 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2020-06-22 03:12:10,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 37 transitions. [2020-06-22 03:12:10,307 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-06-22 03:12:10,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:12:10,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:12:10,307 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 03:12:10,307 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 03:12:10,308 INFO L794 eck$LassoCheckResult]: Stem: 348#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 349#L41 [129] L41-->L23-3: Formula: (and (= |v_ULTIMATE.start_f_#in~d_3| v_ULTIMATE.start_f_~d_9) (= 0 |v_ULTIMATE.start_main_#t~nondet5_7|) (<= v_ULTIMATE.start_f_~k~0_13 1073741823) (= 1 v_ULTIMATE.start_f_~z~0_15) (= 2 |v_ULTIMATE.start_f_#in~d_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_13, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_11|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_3|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_7|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_5|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_13, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_5|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_15, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_15, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_9} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~d] 362#L23-3 [113] L23-3-->L29-5: Formula: (>= v_ULTIMATE.start_f_~z~0_12 v_ULTIMATE.start_f_~k~0_11) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} AuxVars[] AssignedVars[] 363#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 344#L29-3 [125] L29-3-->L30-1: Formula: (> |v_ULTIMATE.start_f_#t~nondet3_3| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_3|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 345#L30-1 [2020-06-22 03:12:10,308 INFO L796 eck$LassoCheckResult]: Loop: 345#L30-1 [93] L30-1-->L29-5: Formula: (and (= v_ULTIMATE.start_f_~x~0_5 (+ v_ULTIMATE.start_f_~x~0_6 (* (- 1) v_ULTIMATE.start_f_~d_3))) (= v_ULTIMATE.start_f_~z~0_3 (+ v_ULTIMATE.start_f_~z~0_4 (- 1))) (= v_ULTIMATE.start_f_~y~0_5 |v_ULTIMATE.start_f_#t~nondet4_3|)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_6, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_3|, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_4, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_3} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_5, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_2|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_3, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_3} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0] 360#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 361#L29-3 [124] L29-3-->L30-1: Formula: (< |v_ULTIMATE.start_f_#t~nondet3_3| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_3|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 345#L30-1 [2020-06-22 03:12:10,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:10,308 INFO L82 PathProgramCache]: Analyzing trace with hash 124936325, now seen corresponding path program 1 times [2020-06-22 03:12:10,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:10,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:10,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:10,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:10,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:10,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:10,315 INFO L82 PathProgramCache]: Analyzing trace with hash 122605, now seen corresponding path program 1 times [2020-06-22 03:12:10,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:10,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:10,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:10,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:10,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:10,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:10,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1758494743, now seen corresponding path program 1 times [2020-06-22 03:12:10,323 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:10,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:10,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:10,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:10,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:10,356 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:10,356 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:10,357 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:10,357 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:10,357 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:10,357 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,357 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:10,357 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:10,357 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2020-06-22 03:12:10,357 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:10,357 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:10,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,404 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:10,404 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,407 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:10,407 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:10,433 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:10,433 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,437 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:10,437 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:10,463 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:10,464 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,467 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:10,467 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:10,472 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:10,472 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Honda state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,498 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:10,499 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,527 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:10,527 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:10,542 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:10,542 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0}, {ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=2}] Lambdas: [0, 1, 1] Nus: [0, 0] [2020-06-22 03:12:10,608 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:10,608 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:10,608 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:10,608 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:10,608 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:10,608 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,609 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:10,609 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:10,609 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Lasso [2020-06-22 03:12:10,609 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:10,609 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:10,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:10,705 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:10,705 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,709 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:10,709 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,738 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:10,738 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:10,757 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:10,757 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0, ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~z~0=1, ULTIMATE.start_f_~k~0=-2} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0, ULTIMATE.start_f_~k~0=0}, {ULTIMATE.start_f_~z~0=-8, ULTIMATE.start_f_~k~0=6}, {ULTIMATE.start_f_~z~0=7, ULTIMATE.start_f_~k~0=-6}] Lambdas: [15, 1, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,784 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:10,784 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:10,787 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:10,787 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,814 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:10,814 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:10,844 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:10,844 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:11,063 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:12:11,065 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:11,065 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:11,065 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:11,066 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:11,066 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:11,066 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:11,066 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:11,066 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:11,066 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Lasso [2020-06-22 03:12:11,066 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:11,066 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:11,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,196 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:11,196 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:11,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:11,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:11,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:11,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:11,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:11,198 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:11,198 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:11,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:11,199 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:11,200 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:11,200 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:11,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:11,200 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:11,200 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:11,202 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:11,202 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:11,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:11,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:11,211 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:11,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:11,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:11,212 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:11,213 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:11,214 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:11,224 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:11,229 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 03:12:11,229 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 03:12:11,229 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:11,231 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:12:11,231 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:11,231 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-06-22 03:12:11,234 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:12:11,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:11,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:12:11,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:11,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:11,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:11,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:11,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:11,397 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization [2020-06-22 03:12:11,397 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-06-22 03:12:11,398 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 21 states and 37 transitions. cyclomatic complexity: 22 Second operand 5 states. [2020-06-22 03:12:11,519 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 21 states and 37 transitions. cyclomatic complexity: 22. Second operand 5 states. Result 37 states and 61 transitions. Complement of second has 11 states. [2020-06-22 03:12:11,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2020-06-22 03:12:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 03:12:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2020-06-22 03:12:11,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 5 letters. Loop has 3 letters. [2020-06-22 03:12:11,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:11,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 8 letters. Loop has 3 letters. [2020-06-22 03:12:11,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:11,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 5 letters. Loop has 6 letters. [2020-06-22 03:12:11,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:11,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 61 transitions. [2020-06-22 03:12:11,525 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2020-06-22 03:12:11,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 31 states and 52 transitions. [2020-06-22 03:12:11,526 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-06-22 03:12:11,526 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-06-22 03:12:11,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 52 transitions. [2020-06-22 03:12:11,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:12:11,527 INFO L706 BuchiCegarLoop]: Abstraction has 31 states and 52 transitions. [2020-06-22 03:12:11,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 52 transitions. [2020-06-22 03:12:11,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2020-06-22 03:12:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-06-22 03:12:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 50 transitions. [2020-06-22 03:12:11,530 INFO L729 BuchiCegarLoop]: Abstraction has 29 states and 50 transitions. [2020-06-22 03:12:11,530 INFO L609 BuchiCegarLoop]: Abstraction has 29 states and 50 transitions. [2020-06-22 03:12:11,530 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2020-06-22 03:12:11,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 50 transitions. [2020-06-22 03:12:11,531 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2020-06-22 03:12:11,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:12:11,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:12:11,532 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 03:12:11,532 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 03:12:11,532 INFO L794 eck$LassoCheckResult]: Stem: 485#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 486#L41 [129] L41-->L23-3: Formula: (and (= |v_ULTIMATE.start_f_#in~d_3| v_ULTIMATE.start_f_~d_9) (= 0 |v_ULTIMATE.start_main_#t~nondet5_7|) (<= v_ULTIMATE.start_f_~k~0_13 1073741823) (= 1 v_ULTIMATE.start_f_~z~0_15) (= 2 |v_ULTIMATE.start_f_#in~d_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_13, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_11|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_3|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_7|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_5|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_13, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_5|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_15, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_15, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_9} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~d] 500#L23-3 [113] L23-3-->L29-5: Formula: (>= v_ULTIMATE.start_f_~z~0_12 v_ULTIMATE.start_f_~k~0_11) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} AuxVars[] AssignedVars[] 501#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 503#L29-3 [124] L29-3-->L30-1: Formula: (< |v_ULTIMATE.start_f_#t~nondet3_3| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_3|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 504#L30-1 [2020-06-22 03:12:11,532 INFO L796 eck$LassoCheckResult]: Loop: 504#L30-1 [93] L30-1-->L29-5: Formula: (and (= v_ULTIMATE.start_f_~x~0_5 (+ v_ULTIMATE.start_f_~x~0_6 (* (- 1) v_ULTIMATE.start_f_~d_3))) (= v_ULTIMATE.start_f_~z~0_3 (+ v_ULTIMATE.start_f_~z~0_4 (- 1))) (= v_ULTIMATE.start_f_~y~0_5 |v_ULTIMATE.start_f_#t~nondet4_3|)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_6, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_3|, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_4, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_3} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_5, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_2|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_3, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_3} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0] 507#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 508#L29-3 [124] L29-3-->L30-1: Formula: (< |v_ULTIMATE.start_f_#t~nondet3_3| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_3|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 504#L30-1 [2020-06-22 03:12:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:11,533 INFO L82 PathProgramCache]: Analyzing trace with hash 124936324, now seen corresponding path program 1 times [2020-06-22 03:12:11,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:11,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:11,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:11,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:11,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:11,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:11,539 INFO L82 PathProgramCache]: Analyzing trace with hash 122605, now seen corresponding path program 2 times [2020-06-22 03:12:11,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:11,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:11,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:11,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:11,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:11,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:11,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1758524534, now seen corresponding path program 1 times [2020-06-22 03:12:11,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:11,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:11,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:11,546 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:12:11,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:11,580 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:11,580 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:11,580 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:11,580 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:11,580 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:11,581 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:11,581 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:11,581 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:11,581 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Loop [2020-06-22 03:12:11,581 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:11,581 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:11,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,640 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:11,640 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:11,646 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:11,646 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:11,674 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:11,674 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:11,678 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:11,679 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:11,721 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:11,721 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:11,737 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:11,737 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0}, {ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=2}] Lambdas: [0, 1, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:11,765 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:11,765 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:11,771 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:11,771 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Honda state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:11,800 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:11,800 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:11,829 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:11,829 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 03:12:11,895 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:11,895 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:11,895 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:11,895 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:11,895 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:11,895 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:11,896 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:11,896 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:11,896 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Lasso [2020-06-22 03:12:11,896 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:11,896 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:11,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:11,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,017 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:12,017 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,020 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:12,021 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:12,024 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:12,024 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,051 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:12,051 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,079 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:12,079 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:12,097 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:12,097 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0=0, ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~k~0=-2, ULTIMATE.start_f_~z~0=1} Generalized eigenvectors: [{ULTIMATE.start_f_~k~0=0, ULTIMATE.start_f_~z~0=0}, {ULTIMATE.start_f_~k~0=6, ULTIMATE.start_f_~z~0=-8}, {ULTIMATE.start_f_~k~0=-6, ULTIMATE.start_f_~z~0=7}] Lambdas: [15, 1, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,123 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:12,123 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:12,128 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:12,128 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0=0, ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_~y~0=4, ULTIMATE.start_f_#t~nondet4=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,154 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:12,154 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:12,157 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:12,157 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,182 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:12,183 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:12,185 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:12,186 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:12,211 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:12,214 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:12,214 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2=0} Honda state: {ULTIMATE.start_f_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,239 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:12,240 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:12,269 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:12,269 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:12,493 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:12:12,494 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:12,495 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:12,495 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:12,495 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:12,495 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:12,495 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:12,495 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:12,495 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:12,495 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Lasso [2020-06-22 03:12:12,495 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:12,496 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:12,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:12,599 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:12,599 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:12,600 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,600 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,600 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:12,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,601 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,601 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:12,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:12,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:12,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,602 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,603 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,604 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:12,604 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:12,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:12,610 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,610 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,611 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,612 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:12,612 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:12,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:12,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:12,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,620 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:12,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:12,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:12,621 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,621 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,621 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:12,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,622 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,622 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:12,622 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:12,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:12,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,623 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,623 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:12,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,624 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,624 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:12,624 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:12,624 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:12,625 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,625 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:12,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,626 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,626 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:12,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:12,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:12,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:12,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:12,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:12,627 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:12,628 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:12,629 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:12,629 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:12,637 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:12,643 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 03:12:12,643 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 03:12:12,643 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:12,644 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2020-06-22 03:12:12,645 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:12,645 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0) = 1*ULTIMATE.start_f_~x~0 + 1 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0, 1*ULTIMATE.start_f_~x~0 >= 0] [2020-06-22 03:12:12,657 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2020-06-22 03:12:12,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:12,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:12:12,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:12,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:12,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:12,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:12,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:12,799 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization [2020-06-22 03:12:12,800 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-06-22 03:12:12,800 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 29 states and 50 transitions. cyclomatic complexity: 29 Second operand 5 states. [2020-06-22 03:12:12,936 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 29 states and 50 transitions. cyclomatic complexity: 29. Second operand 5 states. Result 81 states and 148 transitions. Complement of second has 15 states. [2020-06-22 03:12:12,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2020-06-22 03:12:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 03:12:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2020-06-22 03:12:12,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 5 letters. Loop has 3 letters. [2020-06-22 03:12:12,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:12,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 8 letters. Loop has 3 letters. [2020-06-22 03:12:12,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:12,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 5 letters. Loop has 6 letters. [2020-06-22 03:12:12,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:12,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 148 transitions. [2020-06-22 03:12:12,944 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2020-06-22 03:12:12,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 64 states and 110 transitions. [2020-06-22 03:12:12,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-06-22 03:12:12,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-06-22 03:12:12,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 110 transitions. [2020-06-22 03:12:12,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:12:12,946 INFO L706 BuchiCegarLoop]: Abstraction has 64 states and 110 transitions. [2020-06-22 03:12:12,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 110 transitions. [2020-06-22 03:12:12,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 34. [2020-06-22 03:12:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-06-22 03:12:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 59 transitions. [2020-06-22 03:12:12,950 INFO L729 BuchiCegarLoop]: Abstraction has 34 states and 59 transitions. [2020-06-22 03:12:12,950 INFO L609 BuchiCegarLoop]: Abstraction has 34 states and 59 transitions. [2020-06-22 03:12:12,950 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ [2020-06-22 03:12:12,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 59 transitions. [2020-06-22 03:12:12,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-06-22 03:12:12,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:12:12,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:12:12,952 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 03:12:12,952 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 03:12:12,952 INFO L794 eck$LassoCheckResult]: Stem: 681#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 682#L41 [119] L41-->L18: Formula: (and (= v_ULTIMATE.start_f_~z~0_1 1) (= v_ULTIMATE.start_f_~d_1 |v_ULTIMATE.start_f_#in~d_1|) (= |v_ULTIMATE.start_f_#in~d_1| 1) (> 0 |v_ULTIMATE.start_main_#t~nondet5_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_1, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_1|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_1|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_3, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_1|, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_1|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_1|, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_1, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_1, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~d, ULTIMATE.start_f_~z~0] 691#L18 [110] L18-->L23-1: Formula: (>= 1073741823 v_ULTIMATE.start_f_~k~0_4) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} AuxVars[] AssignedVars[] 688#L23-1 [112] L23-1-->L29-2: Formula: (>= v_ULTIMATE.start_f_~z~0_5 v_ULTIMATE.start_f_~k~0_5) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} AuxVars[] AssignedVars[] 689#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 687#L29 [127] L29-->L30: Formula: (> |v_ULTIMATE.start_f_#t~nondet3_7| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_7|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_6|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 695#L30 [2020-06-22 03:12:12,952 INFO L796 eck$LassoCheckResult]: Loop: 695#L30 [94] L30-->L29-2: Formula: (and (= v_ULTIMATE.start_f_~z~0_8 (+ v_ULTIMATE.start_f_~z~0_9 (- 1))) (= v_ULTIMATE.start_f_~y~0_10 |v_ULTIMATE.start_f_#t~nondet4_5|) (= v_ULTIMATE.start_f_~x~0_9 (+ v_ULTIMATE.start_f_~x~0_10 (* (- 1) v_ULTIMATE.start_f_~d_5)))) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_10, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_5|, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_9, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_5} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_9, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_4|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_10, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_8, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_5} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0] 683#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 684#L29 [126] L29-->L30: Formula: (< |v_ULTIMATE.start_f_#t~nondet3_7| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_7|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_6|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 695#L30 [2020-06-22 03:12:12,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:12,953 INFO L82 PathProgramCache]: Analyzing trace with hash -431262081, now seen corresponding path program 1 times [2020-06-22 03:12:12,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:12,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:12,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:12,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:12,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:12,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:12,959 INFO L82 PathProgramCache]: Analyzing trace with hash 122917, now seen corresponding path program 1 times [2020-06-22 03:12:12,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:12,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:12,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:12,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:12,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:12,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:12,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1481379609, now seen corresponding path program 1 times [2020-06-22 03:12:12,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:12,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:12,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:12,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:12,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:13,003 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:13,003 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:13,003 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:13,003 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:13,003 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:13,003 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,004 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:13,004 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:13,004 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration7_Loop [2020-06-22 03:12:13,004 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:13,004 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:13,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,059 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:13,059 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,063 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,091 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:13,091 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:13,106 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:13,106 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0}, {ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=2}] Lambdas: [0, 1, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,132 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,132 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:13,158 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:13,158 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,162 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:13,188 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:13,188 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,191 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,191 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:13,196 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:13,196 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Honda state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 03:12:13,252 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:13,252 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:13,252 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:13,252 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:13,252 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:13,252 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,253 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:13,253 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:13,253 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration7_Lasso [2020-06-22 03:12:13,253 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:13,253 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:13,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,348 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:13,348 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-06-22 03:12:13,350 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,351 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,376 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:13,377 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,380 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,380 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:13,384 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:13,384 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,424 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,424 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:13,428 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:13,429 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,454 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:13,454 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:13,484 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:13,485 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:13,713 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:12:13,715 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:13,715 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:13,715 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:13,715 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:13,716 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:13,716 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:13,716 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:13,716 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:13,716 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration7_Lasso [2020-06-22 03:12:13,716 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:13,716 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:13,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:13,809 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:13,810 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:13,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:13,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,811 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,811 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:13,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:13,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:13,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,814 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:13,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:13,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,815 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,817 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:13,817 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:13,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,822 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:13,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,823 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,823 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:13,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:13,824 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,824 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:13,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,825 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,825 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:13,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:13,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,826 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,826 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,826 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:13,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,827 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,827 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:13,827 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:13,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:13,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,829 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,829 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:13,829 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:13,830 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,830 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,830 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,831 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:13,832 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:13,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:13,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:13,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:13,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:13,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:13,840 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:13,841 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:13,841 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:13,849 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:13,857 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-06-22 03:12:13,857 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2020-06-22 03:12:13,858 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:13,859 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:12:13,859 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:13,859 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-06-22 03:12:13,861 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:12:13,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:13,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:12:13,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:13,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:13,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:13,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:13,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:13,974 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization [2020-06-22 03:12:13,974 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-06-22 03:12:13,974 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 34 states and 59 transitions. cyclomatic complexity: 33 Second operand 5 states. [2020-06-22 03:12:14,082 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 34 states and 59 transitions. cyclomatic complexity: 33. Second operand 5 states. Result 50 states and 83 transitions. Complement of second has 11 states. [2020-06-22 03:12:14,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2020-06-22 03:12:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 03:12:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2020-06-22 03:12:14,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 6 letters. Loop has 3 letters. [2020-06-22 03:12:14,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:14,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 9 letters. Loop has 3 letters. [2020-06-22 03:12:14,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:14,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 6 letters. Loop has 6 letters. [2020-06-22 03:12:14,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:14,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 83 transitions. [2020-06-22 03:12:14,087 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-06-22 03:12:14,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 44 states and 74 transitions. [2020-06-22 03:12:14,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2020-06-22 03:12:14,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-06-22 03:12:14,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 74 transitions. [2020-06-22 03:12:14,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:12:14,089 INFO L706 BuchiCegarLoop]: Abstraction has 44 states and 74 transitions. [2020-06-22 03:12:14,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 74 transitions. [2020-06-22 03:12:14,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-06-22 03:12:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-06-22 03:12:14,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 72 transitions. [2020-06-22 03:12:14,092 INFO L729 BuchiCegarLoop]: Abstraction has 42 states and 72 transitions. [2020-06-22 03:12:14,092 INFO L609 BuchiCegarLoop]: Abstraction has 42 states and 72 transitions. [2020-06-22 03:12:14,092 INFO L442 BuchiCegarLoop]: ======== Iteration 8============ [2020-06-22 03:12:14,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 72 transitions. [2020-06-22 03:12:14,093 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-06-22 03:12:14,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:12:14,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:12:14,094 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 03:12:14,094 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 03:12:14,094 INFO L794 eck$LassoCheckResult]: Stem: 847#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 848#L41 [119] L41-->L18: Formula: (and (= v_ULTIMATE.start_f_~z~0_1 1) (= v_ULTIMATE.start_f_~d_1 |v_ULTIMATE.start_f_#in~d_1|) (= |v_ULTIMATE.start_f_#in~d_1| 1) (> 0 |v_ULTIMATE.start_main_#t~nondet5_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_1, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_1|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_1|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_3, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_1|, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_1|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_1|, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_1, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_1, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~d, ULTIMATE.start_f_~z~0] 857#L18 [110] L18-->L23-1: Formula: (>= 1073741823 v_ULTIMATE.start_f_~k~0_4) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} AuxVars[] AssignedVars[] 854#L23-1 [112] L23-1-->L29-2: Formula: (>= v_ULTIMATE.start_f_~z~0_5 v_ULTIMATE.start_f_~k~0_5) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} AuxVars[] AssignedVars[] 855#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 853#L29 [126] L29-->L30: Formula: (< |v_ULTIMATE.start_f_#t~nondet3_7| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_7|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_6|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 865#L30 [2020-06-22 03:12:14,094 INFO L796 eck$LassoCheckResult]: Loop: 865#L30 [94] L30-->L29-2: Formula: (and (= v_ULTIMATE.start_f_~z~0_8 (+ v_ULTIMATE.start_f_~z~0_9 (- 1))) (= v_ULTIMATE.start_f_~y~0_10 |v_ULTIMATE.start_f_#t~nondet4_5|) (= v_ULTIMATE.start_f_~x~0_9 (+ v_ULTIMATE.start_f_~x~0_10 (* (- 1) v_ULTIMATE.start_f_~d_5)))) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_10, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_5|, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_9, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_5} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_9, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_4|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_10, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_8, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_5} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0] 849#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 850#L29 [126] L29-->L30: Formula: (< |v_ULTIMATE.start_f_#t~nondet3_7| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_7|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_6|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 865#L30 [2020-06-22 03:12:14,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:14,095 INFO L82 PathProgramCache]: Analyzing trace with hash -431262082, now seen corresponding path program 1 times [2020-06-22 03:12:14,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:14,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:14,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:14,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:14,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:14,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:14,101 INFO L82 PathProgramCache]: Analyzing trace with hash 122917, now seen corresponding path program 2 times [2020-06-22 03:12:14,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:14,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:14,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:14,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:14,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:14,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:14,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1481409400, now seen corresponding path program 1 times [2020-06-22 03:12:14,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:14,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:14,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:14,107 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:12:14,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:14,137 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:14,138 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:14,138 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:14,138 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:14,138 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:14,138 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,138 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:14,138 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:14,138 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration8_Loop [2020-06-22 03:12:14,138 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:14,139 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:14,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,194 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:14,194 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,197 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:14,198 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:14,203 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:14,203 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Honda state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,229 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:14,229 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:14,258 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:14,273 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:14,273 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0}, {ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=2}] Lambdas: [0, 1, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,313 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:14,313 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:14,341 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:14,342 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,346 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:14,346 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:14,373 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:14,373 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 03:12:14,410 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:14,410 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:14,410 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:14,410 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:14,410 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:14,410 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,410 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:14,411 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:14,411 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration8_Lasso [2020-06-22 03:12:14,411 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:14,411 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:14,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,504 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:14,504 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,508 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:14,508 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:14,537 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:14,538 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:14,770 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:12:14,772 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:14,772 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:14,772 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:14,772 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:14,772 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:14,772 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:14,772 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:14,772 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:14,772 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration8_Lasso [2020-06-22 03:12:14,773 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:14,773 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:14,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:14,878 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:14,878 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:14,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:14,879 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:14,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:14,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:14,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:14,880 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:14,880 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:14,880 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:14,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:14,882 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:14,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:14,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:14,883 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:14,883 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:14,884 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:14,884 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:14,890 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:14,894 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 03:12:14,894 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 03:12:14,895 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:14,896 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:12:14,896 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:14,896 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-06-22 03:12:14,898 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:12:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:14,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:12:14,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:14,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:14,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:15,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:15,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:15,016 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization [2020-06-22 03:12:15,016 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-06-22 03:12:15,017 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 42 states and 72 transitions. cyclomatic complexity: 40 Second operand 5 states. [2020-06-22 03:12:15,137 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 42 states and 72 transitions. cyclomatic complexity: 40. Second operand 5 states. Result 83 states and 139 transitions. Complement of second has 11 states. [2020-06-22 03:12:15,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2020-06-22 03:12:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 03:12:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2020-06-22 03:12:15,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 6 letters. Loop has 3 letters. [2020-06-22 03:12:15,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:15,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 9 letters. Loop has 3 letters. [2020-06-22 03:12:15,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:15,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 6 letters. Loop has 6 letters. [2020-06-22 03:12:15,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:15,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 139 transitions. [2020-06-22 03:12:15,142 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-06-22 03:12:15,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 65 states and 108 transitions. [2020-06-22 03:12:15,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2020-06-22 03:12:15,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-06-22 03:12:15,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 108 transitions. [2020-06-22 03:12:15,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:12:15,144 INFO L706 BuchiCegarLoop]: Abstraction has 65 states and 108 transitions. [2020-06-22 03:12:15,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 108 transitions. [2020-06-22 03:12:15,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 39. [2020-06-22 03:12:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-06-22 03:12:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 67 transitions. [2020-06-22 03:12:15,148 INFO L729 BuchiCegarLoop]: Abstraction has 39 states and 67 transitions. [2020-06-22 03:12:15,148 INFO L609 BuchiCegarLoop]: Abstraction has 39 states and 67 transitions. [2020-06-22 03:12:15,148 INFO L442 BuchiCegarLoop]: ======== Iteration 9============ [2020-06-22 03:12:15,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 67 transitions. [2020-06-22 03:12:15,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-06-22 03:12:15,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:12:15,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:12:15,149 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2020-06-22 03:12:15,149 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 03:12:15,150 INFO L794 eck$LassoCheckResult]: Stem: 1053#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 1054#L41 [129] L41-->L23-3: Formula: (and (= |v_ULTIMATE.start_f_#in~d_3| v_ULTIMATE.start_f_~d_9) (= 0 |v_ULTIMATE.start_main_#t~nondet5_7|) (<= v_ULTIMATE.start_f_~k~0_13 1073741823) (= 1 v_ULTIMATE.start_f_~z~0_15) (= 2 |v_ULTIMATE.start_f_#in~d_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_13, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_11|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_3|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_7|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_5|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_13, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_5|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_15, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_15, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_9} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~d] 1072#L23-3 [113] L23-3-->L29-5: Formula: (>= v_ULTIMATE.start_f_~z~0_12 v_ULTIMATE.start_f_~k~0_11) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_11, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_12} AuxVars[] AssignedVars[] 1068#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 1070#L29-3 [124] L29-3-->L30-1: Formula: (< |v_ULTIMATE.start_f_#t~nondet3_3| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_3|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 1074#L30-1 [93] L30-1-->L29-5: Formula: (and (= v_ULTIMATE.start_f_~x~0_5 (+ v_ULTIMATE.start_f_~x~0_6 (* (- 1) v_ULTIMATE.start_f_~d_3))) (= v_ULTIMATE.start_f_~z~0_3 (+ v_ULTIMATE.start_f_~z~0_4 (- 1))) (= v_ULTIMATE.start_f_~y~0_5 |v_ULTIMATE.start_f_#t~nondet4_3|)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_6, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_3|, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_4, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_3} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_5, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_2|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_3, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_3} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0] 1082#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 1080#L29-3 [83] L29-3-->L29-5: Formula: (and (= |v_ULTIMATE.start_f_#t~nondet3_5| 0) (= v_ULTIMATE.start_f_~y~0_6 (+ (* (- 1) v_ULTIMATE.start_f_~d_4) v_ULTIMATE.start_f_~y~0_7))) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_7, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_4} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_4|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_6, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_4} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_~y~0] 1048#L29-5 [2020-06-22 03:12:15,150 INFO L796 eck$LassoCheckResult]: Loop: 1048#L29-5 [107] L29-5-->L29-3: Formula: (and (< 0 v_ULTIMATE.start_f_~x~0_2) (< 0 v_ULTIMATE.start_f_~y~0_2)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_2, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_2} AuxVars[] AssignedVars[] 1047#L29-3 [83] L29-3-->L29-5: Formula: (and (= |v_ULTIMATE.start_f_#t~nondet3_5| 0) (= v_ULTIMATE.start_f_~y~0_6 (+ (* (- 1) v_ULTIMATE.start_f_~d_4) v_ULTIMATE.start_f_~y~0_7))) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_5|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_7, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_4} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_4|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_6, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_4} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_~y~0] 1048#L29-5 [2020-06-22 03:12:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:15,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1758524575, now seen corresponding path program 1 times [2020-06-22 03:12:15,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:15,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:15,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:15,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:15,159 INFO L82 PathProgramCache]: Analyzing trace with hash 4361, now seen corresponding path program 2 times [2020-06-22 03:12:15,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:15,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:15,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:15,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:15,163 INFO L82 PathProgramCache]: Analyzing trace with hash -2019965847, now seen corresponding path program 2 times [2020-06-22 03:12:15,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:15,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:15,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,164 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:12:15,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,251 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:15,251 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:15,251 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:15,251 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:15,252 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:15,252 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:15,252 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:15,252 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:15,252 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration9_Lasso [2020-06-22 03:12:15,252 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:15,252 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:15,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,332 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:15,332 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:15,335 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:15,335 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:15,361 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:15,361 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~k~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:15,365 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:15,365 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:15,368 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:15,369 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:15,394 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:15,394 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:15,420 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:15,420 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:15,424 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:15,424 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:15,427 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:15,427 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:15,452 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:15,452 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:15,482 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:15,482 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:15,582 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:12:15,583 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:15,583 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:15,583 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:15,583 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:15,584 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:15,584 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:15,584 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:15,584 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:15,584 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration9_Lasso [2020-06-22 03:12:15,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:15,584 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:15,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:15,671 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:15,671 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:15,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:15,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,673 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,673 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:15,673 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:15,674 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,674 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,675 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,675 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,676 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:15,676 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:15,677 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,678 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,678 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,678 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:15,678 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,678 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,678 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,679 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:15,679 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:15,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,680 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,680 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:15,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,680 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,680 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:15,681 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:15,681 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,681 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,682 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,683 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:15,683 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:15,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,686 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,686 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,686 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:15,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,686 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,687 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:15,687 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:15,687 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,688 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,688 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:15,688 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,688 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,688 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,689 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:15,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:15,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,689 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,690 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:15,690 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,690 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,690 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,690 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:15,691 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:15,691 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:15,691 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:15,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:15,692 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:15,692 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:15,692 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:15,693 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:15,693 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:15,700 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:15,705 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 03:12:15,705 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2020-06-22 03:12:15,705 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:15,706 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:12:15,707 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:15,707 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-06-22 03:12:15,709 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:12:15,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:15,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:12:15,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:15,779 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:15,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:15,820 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 03:12:15,820 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-06-22 03:12:15,820 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 39 states and 67 transitions. cyclomatic complexity: 37 Second operand 4 states. [2020-06-22 03:12:15,896 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 39 states and 67 transitions. cyclomatic complexity: 37. Second operand 4 states. Result 133 states and 215 transitions. Complement of second has 15 states. [2020-06-22 03:12:15,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 03:12:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 03:12:15,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 30 transitions. [2020-06-22 03:12:15,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 8 letters. Loop has 2 letters. [2020-06-22 03:12:15,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:15,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 10 letters. Loop has 2 letters. [2020-06-22 03:12:15,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:15,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 30 transitions. Stem has 8 letters. Loop has 4 letters. [2020-06-22 03:12:15,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:15,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 133 states and 215 transitions. [2020-06-22 03:12:15,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 03:12:15,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 133 states to 17 states and 28 transitions. [2020-06-22 03:12:15,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-06-22 03:12:15,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-06-22 03:12:15,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 28 transitions. [2020-06-22 03:12:15,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:12:15,903 INFO L706 BuchiCegarLoop]: Abstraction has 17 states and 28 transitions. [2020-06-22 03:12:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 28 transitions. [2020-06-22 03:12:15,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-06-22 03:12:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-06-22 03:12:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 28 transitions. [2020-06-22 03:12:15,904 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 28 transitions. [2020-06-22 03:12:15,904 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 28 transitions. [2020-06-22 03:12:15,905 INFO L442 BuchiCegarLoop]: ======== Iteration 10============ [2020-06-22 03:12:15,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 28 transitions. [2020-06-22 03:12:15,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 03:12:15,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:12:15,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:12:15,906 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 03:12:15,906 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 03:12:15,906 INFO L794 eck$LassoCheckResult]: Stem: 1295#ULTIMATE.startENTRY [100] ULTIMATE.startENTRY-->L41: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res] 1296#L41 [119] L41-->L18: Formula: (and (= v_ULTIMATE.start_f_~z~0_1 1) (= v_ULTIMATE.start_f_~d_1 |v_ULTIMATE.start_f_#in~d_1|) (= |v_ULTIMATE.start_f_#in~d_1| 1) (> 0 |v_ULTIMATE.start_main_#t~nondet5_3|)) InVars {ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_1, ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_1|, ULTIMATE.start_f_#in~d=|v_ULTIMATE.start_f_#in~d_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_1|, ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_3, ULTIMATE.start_f_#t~nondet0=|v_ULTIMATE.start_f_#t~nondet0_1|, ULTIMATE.start_f_#t~nondet1=|v_ULTIMATE.start_f_#t~nondet1_1|, ULTIMATE.start_f_#t~nondet2=|v_ULTIMATE.start_f_#t~nondet2_1|, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_1, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_1, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_3} AuxVars[] AssignedVars[ULTIMATE.start_f_~k~0, ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_#in~d, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_#t~nondet0, ULTIMATE.start_f_#t~nondet1, ULTIMATE.start_f_#t~nondet2, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~d, ULTIMATE.start_f_~z~0] 1304#L18 [110] L18-->L23-1: Formula: (>= 1073741823 v_ULTIMATE.start_f_~k~0_4) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_4} AuxVars[] AssignedVars[] 1301#L23-1 [112] L23-1-->L29-2: Formula: (>= v_ULTIMATE.start_f_~z~0_5 v_ULTIMATE.start_f_~k~0_5) InVars {ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} OutVars{ULTIMATE.start_f_~k~0=v_ULTIMATE.start_f_~k~0_5, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_5} AuxVars[] AssignedVars[] 1302#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 1310#L29 [127] L29-->L30: Formula: (> |v_ULTIMATE.start_f_#t~nondet3_7| 0) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_7|} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_6|} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3] 1307#L30 [94] L30-->L29-2: Formula: (and (= v_ULTIMATE.start_f_~z~0_8 (+ v_ULTIMATE.start_f_~z~0_9 (- 1))) (= v_ULTIMATE.start_f_~y~0_10 |v_ULTIMATE.start_f_#t~nondet4_5|) (= v_ULTIMATE.start_f_~x~0_9 (+ v_ULTIMATE.start_f_~x~0_10 (* (- 1) v_ULTIMATE.start_f_~d_5)))) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_10, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_5|, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_9, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_5} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_9, ULTIMATE.start_f_#t~nondet4=|v_ULTIMATE.start_f_#t~nondet4_4|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_10, ULTIMATE.start_f_~z~0=v_ULTIMATE.start_f_~z~0_8, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_5} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet4, ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~y~0, ULTIMATE.start_f_~z~0] 1308#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 1311#L29 [92] L29-->L29-2: Formula: (and (= v_ULTIMATE.start_f_~y~0_11 (+ (* (- 1) v_ULTIMATE.start_f_~d_6) v_ULTIMATE.start_f_~y~0_12)) (= |v_ULTIMATE.start_f_#t~nondet3_9| 0)) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_9|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_12, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_6} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_8|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_11, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_6} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_~y~0] 1297#L29-2 [2020-06-22 03:12:15,906 INFO L796 eck$LassoCheckResult]: Loop: 1297#L29-2 [86] L29-2-->L29: Formula: (and (< 0 v_ULTIMATE.start_f_~y~0_9) (< 0 v_ULTIMATE.start_f_~x~0_8)) InVars {ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} OutVars{ULTIMATE.start_f_~x~0=v_ULTIMATE.start_f_~x~0_8, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_9} AuxVars[] AssignedVars[] 1298#L29 [92] L29-->L29-2: Formula: (and (= v_ULTIMATE.start_f_~y~0_11 (+ (* (- 1) v_ULTIMATE.start_f_~d_6) v_ULTIMATE.start_f_~y~0_12)) (= |v_ULTIMATE.start_f_#t~nondet3_9| 0)) InVars {ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_9|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_12, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_6} OutVars{ULTIMATE.start_f_#t~nondet3=|v_ULTIMATE.start_f_#t~nondet3_8|, ULTIMATE.start_f_~y~0=v_ULTIMATE.start_f_~y~0_11, ULTIMATE.start_f_~d=v_ULTIMATE.start_f_~d_6} AuxVars[] AssignedVars[ULTIMATE.start_f_#t~nondet3, ULTIMATE.start_f_~y~0] 1297#L29-2 [2020-06-22 03:12:15,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:15,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1481379643, now seen corresponding path program 1 times [2020-06-22 03:12:15,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:15,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:15,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,908 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:12:15,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:15,914 INFO L82 PathProgramCache]: Analyzing trace with hash 3719, now seen corresponding path program 2 times [2020-06-22 03:12:15,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:15,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:15,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:12:15,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:15,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1971659189, now seen corresponding path program 2 times [2020-06-22 03:12:15,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:12:15,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:12:15,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,919 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:12:15,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:12:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:12:16,011 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:16,011 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:16,011 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:16,011 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:16,011 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:12:16,011 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,011 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:16,011 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:16,012 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration10_Lasso [2020-06-22 03:12:16,012 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:16,012 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:16,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,108 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:16,108 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,110 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,111 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,137 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,137 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~k~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,140 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,140 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,144 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,144 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,169 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,169 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,172 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,172 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,198 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,198 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,201 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,201 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,226 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,227 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,229 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,230 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,255 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,255 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,258 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,258 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,285 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,285 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,312 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,313 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,316 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,317 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,320 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,320 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,345 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,345 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,348 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,349 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2=0} Honda state: {ULTIMATE.start_f_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,374 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,374 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,377 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:12:16,377 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,402 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:12:16,402 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:12:16,431 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:12:16,431 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:12:16,526 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:12:16,527 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:12:16,528 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:12:16,528 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:12:16,528 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:12:16,528 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:12:16,528 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:12:16,528 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:12:16,528 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:12:16,528 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration10_Lasso [2020-06-22 03:12:16,528 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:12:16,529 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:12:16,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 03:12:16,621 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:12:16,622 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:12:16,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,623 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,624 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:16,624 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:16,626 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,626 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,626 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:16,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,627 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,627 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,627 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:16,627 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:16,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,628 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,628 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:16,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,629 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,629 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:16,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:16,629 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:16,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,630 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,631 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:16,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:16,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,632 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,632 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:16,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,633 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:16,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:16,633 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,634 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,634 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,634 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,634 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,634 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,635 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:16,635 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:16,636 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,637 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,637 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,637 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,637 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,638 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:16,638 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:16,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,641 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,642 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:12:16,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,642 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,642 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:12:16,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:12:16,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:12:16,643 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 03:12:16,643 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:12:16,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:12:16,644 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:12:16,644 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:12:16,645 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:12:16,645 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 03:12:16,651 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:12:16,656 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-06-22 03:12:16,656 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2020-06-22 03:12:16,657 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:12:16,658 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 03:12:16,658 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:12:16,658 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-06-22 03:12:16,663 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 03:12:16,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:12:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:16,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:12:16,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:12:16,722 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 03:12:16,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:12:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:12:16,753 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 03:12:16,753 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-06-22 03:12:16,753 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 17 states and 28 transitions. cyclomatic complexity: 15 Second operand 4 states. [2020-06-22 03:12:16,815 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 17 states and 28 transitions. cyclomatic complexity: 15. Second operand 4 states. Result 60 states and 97 transitions. Complement of second has 15 states. [2020-06-22 03:12:16,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 03:12:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 03:12:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2020-06-22 03:12:16,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 9 letters. Loop has 2 letters. [2020-06-22 03:12:16,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:16,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 11 letters. Loop has 2 letters. [2020-06-22 03:12:16,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:16,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 9 letters. Loop has 4 letters. [2020-06-22 03:12:16,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:12:16,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 97 transitions. [2020-06-22 03:12:16,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:12:16,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2020-06-22 03:12:16,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 03:12:16,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 03:12:16,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 03:12:16,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:12:16,821 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:12:16,821 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:12:16,821 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:12:16,821 INFO L442 BuchiCegarLoop]: ======== Iteration 11============ [2020-06-22 03:12:16,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 03:12:16,821 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:12:16,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 03:12:16,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:12:16 BasicIcfg [2020-06-22 03:12:16,828 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 03:12:16,828 INFO L168 Benchmark]: Toolchain (without parser) took 34975.77 ms. Allocated memory was 649.6 MB in the beginning and 824.2 MB in the end (delta: 174.6 MB). Free memory was 559.9 MB in the beginning and 575.0 MB in the end (delta: -15.1 MB). Peak memory consumption was 159.5 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,830 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 03:12:16,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.75 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 559.9 MB in the beginning and 660.2 MB in the end (delta: -100.3 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.27 ms. Allocated memory is still 692.6 MB. Free memory was 660.2 MB in the beginning and 657.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,831 INFO L168 Benchmark]: Boogie Preprocessor took 21.58 ms. Allocated memory is still 692.6 MB. Free memory was 657.5 MB in the beginning and 654.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,832 INFO L168 Benchmark]: RCFGBuilder took 239.06 ms. Allocated memory is still 692.6 MB. Free memory was 654.4 MB in the beginning and 638.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,832 INFO L168 Benchmark]: BlockEncodingV2 took 96.51 ms. Allocated memory is still 692.6 MB. Free memory was 638.6 MB in the beginning and 631.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,833 INFO L168 Benchmark]: TraceAbstraction took 106.09 ms. Allocated memory is still 692.6 MB. Free memory was 631.9 MB in the beginning and 623.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,833 INFO L168 Benchmark]: BuchiAutomizer took 34174.15 ms. Allocated memory was 692.6 MB in the beginning and 824.2 MB in the end (delta: 131.6 MB). Free memory was 623.8 MB in the beginning and 575.0 MB in the end (delta: 48.8 MB). Peak memory consumption was 180.4 MB. Max. memory is 50.3 GB. [2020-06-22 03:12:16,837 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 15 locations, 27 edges - StatisticsResult: Encoded RCFG 11 locations, 19 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 296.75 ms. Allocated memory was 649.6 MB in the beginning and 692.6 MB in the end (delta: 43.0 MB). Free memory was 559.9 MB in the beginning and 660.2 MB in the end (delta: -100.3 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.27 ms. Allocated memory is still 692.6 MB. Free memory was 660.2 MB in the beginning and 657.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 21.58 ms. Allocated memory is still 692.6 MB. Free memory was 657.5 MB in the beginning and 654.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 239.06 ms. Allocated memory is still 692.6 MB. Free memory was 654.4 MB in the beginning and 638.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 96.51 ms. Allocated memory is still 692.6 MB. Free memory was 638.6 MB in the beginning and 631.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. * TraceAbstraction took 106.09 ms. Allocated memory is still 692.6 MB. Free memory was 631.9 MB in the beginning and 623.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 34174.15 ms. Allocated memory was 692.6 MB in the beginning and 824.2 MB in the end (delta: 131.6 MB). Free memory was 623.8 MB in the beginning and 575.0 MB in the end (delta: 48.8 MB). Peak memory consumption was 180.4 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (0 trivial, 0 deterministic, 10 nondeterministic). One nondeterministic module has affine ranking function -1 * z + k and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. One nondeterministic module has affine ranking function k + -1 * z and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. One nondeterministic module has affine ranking function x + -1 * d and consists of 6 locations. One nondeterministic module has affine ranking function x + 1 and consists of 6 locations. One nondeterministic module has affine ranking function x + -1 * d and consists of 6 locations. One nondeterministic module has affine ranking function x + -1 * d and consists of 6 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.1s and 11 iterations. TraceHistogramMax:2. Analysis of lassos took 31.9s. Construction of modules took 0.3s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 8. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 71 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 42 states and ocurred in iteration 7. Nontrivial modules had stage [10, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 73 SDtfs, 406 SDslu, 87 SDs, 0 SdLazy, 324 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax100 hnf95 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf91 smp100 dnf100 smp100 tf102 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 114ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 52 LassoNonterminationAnalysisSatUnbounded: 6 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 26.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 03:11:38.616 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 03:12:17.069 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check