YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 03:39:40,884 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 03:39:40,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 03:39:40,897 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 03:39:40,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 03:39:40,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 03:39:40,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 03:39:40,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 03:39:40,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 03:39:40,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 03:39:40,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 03:39:40,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 03:39:40,906 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 03:39:40,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 03:39:40,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 03:39:40,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 03:39:40,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 03:39:40,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 03:39:40,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 03:39:40,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 03:39:40,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 03:39:40,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 03:39:40,919 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 03:39:40,919 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 03:39:40,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 03:39:40,920 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 03:39:40,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 03:39:40,921 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 03:39:40,921 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 03:39:40,922 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 03:39:40,923 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 03:39:40,923 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 03:39:40,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 03:39:40,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 03:39:40,925 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 03:39:40,925 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 03:39:40,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 03:39:40,926 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 03:39:40,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 03:39:40,927 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 03:39:40,941 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 03:39:40,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 03:39:40,943 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 03:39:40,943 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 03:39:40,943 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 03:39:40,943 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:39:40,943 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 03:39:40,943 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 03:39:40,944 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 03:39:40,944 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 03:39:40,944 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 03:39:40,944 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 03:39:40,944 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 03:39:40,945 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 03:39:40,945 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:39:40,945 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 03:39:40,945 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 03:39:40,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 03:39:40,945 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 03:39:40,946 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 03:39:40,946 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 03:39:40,946 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 03:39:40,946 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 03:39:40,946 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 03:39:40,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 03:39:40,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 03:39:40,947 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 03:39:40,947 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 03:39:40,947 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 03:39:40,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 03:39:40,986 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 03:39:40,990 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 03:39:40,991 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 03:39:40,991 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 03:39:40,992 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:39:41,054 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/a418fcbe3dc54a30b64721441a1aa74a/FLAG10afedef3 [2020-06-22 03:39:41,383 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 03:39:41,384 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 03:39:41,391 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/a418fcbe3dc54a30b64721441a1aa74a/FLAG10afedef3 [2020-06-22 03:39:41,802 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/a418fcbe3dc54a30b64721441a1aa74a [2020-06-22 03:39:41,813 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 03:39:41,815 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 03:39:41,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 03:39:41,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 03:39:41,820 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 03:39:41,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:39:41" (1/1) ... [2020-06-22 03:39:41,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2304b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:41, skipping insertion in model container [2020-06-22 03:39:41,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 03:39:41" (1/1) ... [2020-06-22 03:39:41,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 03:39:41,850 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 03:39:42,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:39:42,010 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 03:39:42,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 03:39:42,100 INFO L195 MainTranslator]: Completed translation [2020-06-22 03:39:42,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42 WrapperNode [2020-06-22 03:39:42,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 03:39:42,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 03:39:42,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 03:39:42,103 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 03:39:42,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 03:39:42,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 03:39:42,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 03:39:42,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 03:39:42,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 03:39:42,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 03:39:42,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 03:39:42,154 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 03:39:42,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (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 03:39:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-06-22 03:39:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-06-22 03:39:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 03:39:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 03:39:42,366 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 03:39:42,366 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2020-06-22 03:39:42,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:39:42 BoogieIcfgContainer [2020-06-22 03:39:42,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 03:39:42,368 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 03:39:42,368 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 03:39:42,370 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 03:39:42,371 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:39:42" (1/1) ... [2020-06-22 03:39:42,388 INFO L313 BlockEncoder]: Initial Icfg 17 locations, 21 edges [2020-06-22 03:39:42,390 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 03:39:42,391 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 03:39:42,391 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 03:39:42,392 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 03:39:42,394 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 03:39:42,394 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 03:39:42,395 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 03:39:42,410 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 03:39:42,425 INFO L200 BlockEncoder]: SBE split 3 edges [2020-06-22 03:39:42,429 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:39:42,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:39:42,441 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 03:39:42,443 INFO L70 RemoveSinkStates]: Removed 5 edges and 3 locations by removing sink states [2020-06-22 03:39:42,445 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:39:42,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:39:42,451 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 03:39:42,452 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:39:42,452 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 03:39:42,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 03:39:42,452 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 03:39:42,453 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 03:39:42,453 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 16 edges [2020-06-22 03:39:42,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:39:42 BasicIcfg [2020-06-22 03:39:42,454 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 03:39:42,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 03:39:42,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 03:39:42,458 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 03:39:42,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 03:39:41" (1/4) ... [2020-06-22 03:39:42,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39222a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:39:42, skipping insertion in model container [2020-06-22 03:39:42,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (2/4) ... [2020-06-22 03:39:42,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39222a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:39:42, skipping insertion in model container [2020-06-22 03:39:42,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:39:42" (3/4) ... [2020-06-22 03:39:42,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39222a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:39:42, skipping insertion in model container [2020-06-22 03:39:42,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:39:42" (4/4) ... [2020-06-22 03:39:42,462 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:39:42,472 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 03:39:42,481 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 03:39:42,502 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 03:39:42,531 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:39:42,532 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 03:39:42,532 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 03:39:42,532 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:39:42,532 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:39:42,532 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:39:42,532 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 03:39:42,534 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:39:42,534 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 03:39:42,551 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-06-22 03:39:42,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 03:39:42,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-06-22 03:39:42,621 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. [2020-06-22 03:39:42,622 INFO L448 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-06-22 03:39:42,622 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 22) no Hoare annotation was computed. [2020-06-22 03:39:42,622 INFO L448 ceAbstractionStarter]: For program point fEXIT(lines 13 23) no Hoare annotation was computed. [2020-06-22 03:39:42,622 INFO L451 ceAbstractionStarter]: At program point fENTRY(lines 13 23) the Hoare annotation is: true [2020-06-22 03:39:42,622 INFO L448 ceAbstractionStarter]: For program point fFINAL(lines 13 23) no Hoare annotation was computed. [2020-06-22 03:39:42,623 INFO L451 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: true [2020-06-22 03:39:42,623 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-06-22 03:39:42,623 INFO L451 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: true [2020-06-22 03:39:42,623 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 03:39:42,624 INFO L451 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: true [2020-06-22 03:39:42,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:39:42 BasicIcfg [2020-06-22 03:39:42,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 03:39:42,628 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 03:39:42,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 03:39:42,631 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 03:39:42,632 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:39:42,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 03:39:41" (1/5) ... [2020-06-22 03:39:42,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a61e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:39:42, skipping insertion in model container [2020-06-22 03:39:42,633 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:39:42,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 03:39:42" (2/5) ... [2020-06-22 03:39:42,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a61e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 03:39:42, skipping insertion in model container [2020-06-22 03:39:42,634 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:39:42,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:39:42" (3/5) ... [2020-06-22 03:39:42,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a61e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:39:42, skipping insertion in model container [2020-06-22 03:39:42,635 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:39:42,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 03:39:42" (4/5) ... [2020-06-22 03:39:42,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43a61e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:39:42, skipping insertion in model container [2020-06-22 03:39:42,636 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 03:39:42,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:39:42" (5/5) ... [2020-06-22 03:39:42,637 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 03:39:42,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 03:39:42,671 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 03:39:42,671 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 03:39:42,671 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 03:39:42,671 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 03:39:42,671 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 03:39:42,672 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 03:39:42,672 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 03:39:42,672 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 03:39:42,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-06-22 03:39:42,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 03:39:42,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:39:42,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:39:42,705 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:39:42,705 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 03:39:42,705 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 03:39:42,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-06-22 03:39:42,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 03:39:42,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:39:42,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:39:42,707 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 03:39:42,708 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 03:39:42,713 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [66] ULTIMATE.startENTRY-->L29: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (<= 0 v_ULTIMATE.start_main_~y~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4] 9#L29true [41] L29-->fENTRY: Formula: (and (= |v_f_#in~yInParam_3| v_ULTIMATE.start_main_~y~0_7) (= |v_f_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{f_#in~y=|v_f_#in~yInParam_3|, f_#in~x=|v_f_#in~xInParam_3|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 5#fENTRYtrue [2020-06-22 03:39:42,713 INFO L796 eck$LassoCheckResult]: Loop: 5#fENTRYtrue [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 6#L14true [60] L14-->L17: Formula: (> 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 12#L17true [62] L17-->L20: Formula: (> 0 v_f_~x_4) InVars {f_~x=v_f_~x_4} OutVars{f_~x=v_f_~x_4} AuxVars[] AssignedVars[] 4#L20true [35] L20-->fENTRY: Formula: (and (= |v_f_#in~xInParam_2| v_f_~y_7) (= |v_f_#in~yInParam_2| (+ v_f_~x_6 (- 1)))) InVars {f_~x=v_f_~x_6, f_~y=v_f_~y_7} OutVars{f_#in~y=|v_f_#in~yInParam_2|, f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 5#fENTRYtrue [2020-06-22 03:39:42,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:42,719 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 1 times [2020-06-22 03:39:42,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:42,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:42,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:42,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:42,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:42,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:42,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2413106, now seen corresponding path program 1 times [2020-06-22 03:39:42,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:42,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:42,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:42,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:42,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:42,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:42,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1478585703, now seen corresponding path program 1 times [2020-06-22 03:39:42,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:42,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:42,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:42,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:42,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:39:42,873 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 03:39:42,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 03:39:42,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 03:39:42,959 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:39:42,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:39:42,960 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:39:42,960 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:39:42,960 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:39:42,961 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:39:42,961 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:39:42,961 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:39:42,961 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 03:39:42,961 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:39:42,961 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:39:42,979 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 03:39:42,986 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 03:39:42,989 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 03:39:42,992 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 03:39:43,008 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 03:39:43,011 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 03:39:43,083 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:39:43,084 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 03:39:43,090 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:43,090 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:43,099 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:39:43,100 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_~x=0} Honda state: {f_~x=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 03:39:43,130 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:43,130 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:43,134 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:39:43,134 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_~y=0} Honda state: {f_~y=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 03:39:43,161 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:43,161 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:43,165 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:39:43,165 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~ret1=0} Honda state: {f_#t~ret1=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 03:39:43,192 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:43,192 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 03:39:43,227 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:39:43,228 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:45,640 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:39:45,645 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:39:45,645 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:39:45,645 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:39:45,645 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:39:45,645 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:39:45,645 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:39:45,645 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:39:45,646 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:39:45,646 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 03:39:45,646 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:39:45,646 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:39:45,648 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 03:39:45,650 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 03:39:45,653 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 03:39:45,656 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 03:39:45,667 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 03:39:45,669 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 03:39:45,730 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:39:45,735 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:39:45,737 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 03:39:45,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,739 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,740 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:45,742 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:45,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,744 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,745 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 03:39:45,745 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,745 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,746 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:45,746 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:45,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,748 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 03:39:45,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,749 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:45,750 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:45,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,752 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 03:39:45,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,753 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:45,754 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:45,754 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,764 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 03:39:45,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,765 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:45,766 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:45,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,767 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 03:39:45,768 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,768 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:45,769 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:45,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,771 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 03:39:45,771 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 03:39:45,772 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,773 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,774 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,776 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 03:39:45,776 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,777 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,777 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,778 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,779 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 03:39:45,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,780 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,780 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,781 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,781 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,783 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,783 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 03:39:45,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,784 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,786 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,786 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,800 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 03:39:45,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,802 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,803 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,805 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 03:39:45,805 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,806 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,806 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,808 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 03:39:45,808 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 03:39:45,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,809 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,810 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,812 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 03:39:45,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,813 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,814 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,816 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 03:39:45,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,817 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,818 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,819 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 03:39:45,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,821 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,822 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,822 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,835 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 03:39:45,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,837 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,838 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,839 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 03:39:45,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,841 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,841 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,843 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,843 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 03:39:45,843 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 03:39:45,844 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,844 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,844 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:45,845 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:45,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,846 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,847 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 03:39:45,847 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,848 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,848 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,848 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,848 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:45,849 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:45,849 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,851 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 03:39:45,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,852 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:45,853 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:45,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,854 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 03:39:45,855 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,855 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,856 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:45,857 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:45,857 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,871 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 03:39:45,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,872 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:45,873 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:45,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,874 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,875 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 03:39:45,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:45,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,876 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:45,877 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:45,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,878 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 03:39:45,879 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 03:39:45,879 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,879 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:45,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,880 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,881 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,883 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 03:39:45,884 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,884 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:45,884 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,884 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,885 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,885 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,887 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 03:39:45,887 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,888 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:45,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,888 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,889 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,889 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,891 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,891 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 03:39:45,892 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,892 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:45,892 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,892 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,894 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,933 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,934 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 03:39:45,935 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,935 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:45,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,936 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,937 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,937 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,939 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 03:39:45,939 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,939 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:45,940 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,940 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:45,941 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:45,941 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,942 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 03:39:45,943 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 03:39:45,943 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,943 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:45,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,944 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,945 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,949 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 03:39:45,950 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,950 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:45,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,951 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,951 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,952 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,955 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 03:39:45,956 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,957 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:45,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,957 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,959 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,959 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:45,961 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:45,962 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 03:39:45,963 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:45,963 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:45,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:45,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:45,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:45,963 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:45,966 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:45,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,026 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 03:39:46,028 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,028 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:46,028 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,028 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,030 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,032 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,033 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 03:39:46,034 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,034 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:46,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,034 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,036 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,036 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,038 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,038 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 03:39:46,039 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 03:39:46,039 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,039 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,040 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,040 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:46,042 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:46,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,044 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 03:39:46,044 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,045 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,045 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,045 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,045 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,045 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:46,047 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:46,047 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,048 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,048 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 03:39:46,049 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,050 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,050 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:46,052 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:46,052 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,053 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 03:39:46,054 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,054 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,054 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,055 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:46,058 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:46,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,129 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,130 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 03:39:46,131 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,131 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,131 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:46,133 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:46,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,134 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,135 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 03:39:46,136 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,136 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,137 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:46,138 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:46,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,139 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,139 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 03:39:46,140 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 03:39:46,140 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,141 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:46,141 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,141 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,142 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,142 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,145 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,145 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 03:39:46,146 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,146 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:46,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,147 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,147 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,150 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,151 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 03:39:46,151 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,152 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:46,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,152 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,153 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,156 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 03:39:46,156 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,156 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:46,157 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,157 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,158 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,158 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,172 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 03:39:46,173 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,173 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:46,173 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,174 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,174 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,178 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 03:39:46,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,178 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:46,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,179 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:46,180 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:46,180 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,183 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,183 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 03:39:46,183 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 03:39:46,184 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,184 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,184 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,184 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,184 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,184 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:46,185 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:46,186 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,190 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,191 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 03:39:46,192 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,192 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,192 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,192 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:46,193 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:46,193 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,199 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 03:39:46,199 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,200 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,200 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,200 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,200 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:46,201 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:46,201 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,206 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 03:39:46,207 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,207 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,207 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,208 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,208 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:46,209 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:46,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,250 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,251 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 03:39:46,251 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,251 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,252 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,252 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,252 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:46,253 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:46,253 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,259 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 03:39:46,259 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:46,259 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:46,260 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:46,260 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:46,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:46,260 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:46,261 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:46,261 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:46,265 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:46,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 03:39:46,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 03:39:46,283 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 5 states. [2020-06-22 03:39:46,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 03:39:46,370 INFO L93 Difference]: Finished difference Result 27 states and 45 transitions. [2020-06-22 03:39:46,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 03:39:46,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 45 transitions. [2020-06-22 03:39:46,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-06-22 03:39:46,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 15 states and 22 transitions. [2020-06-22 03:39:46,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-06-22 03:39:46,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-06-22 03:39:46,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. [2020-06-22 03:39:46,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:39:46,386 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2020-06-22 03:39:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. [2020-06-22 03:39:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 9. [2020-06-22 03:39:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-06-22 03:39:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2020-06-22 03:39:46,417 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2020-06-22 03:39:46,417 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2020-06-22 03:39:46,417 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 03:39:46,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2020-06-22 03:39:46,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 03:39:46,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:39:46,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:39:46,419 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 03:39:46,419 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 03:39:46,419 INFO L794 eck$LassoCheckResult]: Stem: 53#ULTIMATE.startENTRY [66] ULTIMATE.startENTRY-->L29: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (<= 0 v_ULTIMATE.start_main_~y~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4] 54#L29 [41] L29-->fENTRY: Formula: (and (= |v_f_#in~yInParam_3| v_ULTIMATE.start_main_~y~0_7) (= |v_f_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{f_#in~y=|v_f_#in~yInParam_3|, f_#in~x=|v_f_#in~xInParam_3|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 61#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 59#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 60#L17 [2020-06-22 03:39:46,420 INFO L796 eck$LassoCheckResult]: Loop: 60#L17 [62] L17-->L20: Formula: (> 0 v_f_~x_4) InVars {f_~x=v_f_~x_4} OutVars{f_~x=v_f_~x_4} AuxVars[] AssignedVars[] 55#L20 [35] L20-->fENTRY: Formula: (and (= |v_f_#in~xInParam_2| v_f_~y_7) (= |v_f_#in~yInParam_2| (+ v_f_~x_6 (- 1)))) InVars {f_~x=v_f_~x_6, f_~y=v_f_~y_7} OutVars{f_#in~y=|v_f_#in~yInParam_2|, f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 56#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 58#L14 [60] L14-->L17: Formula: (> 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 60#L17 [2020-06-22 03:39:46,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:46,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2930677, now seen corresponding path program 1 times [2020-06-22 03:39:46,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:46,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:46,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:46,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:46,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:46,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:46,429 INFO L82 PathProgramCache]: Analyzing trace with hash 2805746, now seen corresponding path program 2 times [2020-06-22 03:39:46,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:46,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:46,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:46,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:46,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:46,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:46,436 INFO L82 PathProgramCache]: Analyzing trace with hash 714239462, now seen corresponding path program 1 times [2020-06-22 03:39:46,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:46,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:46,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:46,437 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:39:46,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:39:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:39:46,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 03:39:46,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 03:39:46,582 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:39:46,582 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:39:46,582 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:39:46,582 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:39:46,582 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:39:46,582 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:39:46,582 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:39:46,583 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:39:46,583 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 03:39:46,583 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:39:46,583 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:39:46,584 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 03:39:46,591 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 03:39:46,594 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 03:39:46,596 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 03:39:46,672 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:39:46,672 INFO L412 LassoAnalysis]: Checking for nontermination... 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 03:39:46,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:46,675 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:46,680 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:39:46,680 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~ret1=0} Honda state: {f_#t~ret1=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 03:39:46,708 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:46,709 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:46,712 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:39:46,712 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~ret0=0} Honda state: {f_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 03:39:46,742 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:46,742 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:46,746 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:39:46,746 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#res=0} Honda state: {f_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 03:39:46,776 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:46,776 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 03:39:46,817 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:39:46,817 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:39:58,857 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-06-22 03:39:58,862 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:39:58,862 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:39:58,862 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:39:58,862 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:39:58,863 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:39:58,863 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:39:58,863 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:39:58,863 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:39:58,863 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 03:39:58,863 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:39:58,863 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:39:58,865 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 03:39:58,867 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 03:39:58,869 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 03:39:58,871 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 03:39:58,929 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:39:58,929 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:39:58,929 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 03:39:58,930 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,930 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:58,931 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:58,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,932 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,932 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 03:39:58,933 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,933 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,933 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:58,933 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:58,934 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,934 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 03:39:58,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,935 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:58,936 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:58,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,936 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,937 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 03:39:58,937 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,937 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:39:58,938 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:39:58,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,942 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 03:39:58,942 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 03:39:58,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,943 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,943 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,944 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,944 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,944 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,945 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 03:39:58,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,946 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,946 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,947 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 03:39:58,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,948 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,948 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,949 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 03:39:58,949 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,950 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,951 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,956 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 03:39:58,956 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 03:39:58,956 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,957 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:58,957 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:58,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,958 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,958 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 03:39:58,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,959 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:58,960 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:58,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,960 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,961 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 03:39:58,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,961 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,962 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:58,962 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:58,962 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,963 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 03:39:58,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,964 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:58,965 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:58,965 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,971 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 03:39:58,971 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 03:39:58,972 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,972 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,972 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,972 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,972 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:58,973 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:58,973 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,973 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,974 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 03:39:58,974 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,974 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,975 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,975 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:58,975 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:58,975 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,976 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 03:39:58,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,977 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:58,978 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:58,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,979 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 03:39:58,979 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:39:58,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,980 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:58,981 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:58,981 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,988 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,988 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 03:39:58,988 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 03:39:58,989 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:58,989 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:58,989 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,989 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,990 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,990 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,991 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,991 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 03:39:58,991 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:58,992 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:58,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,992 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,993 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,994 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,994 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 03:39:58,994 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:58,994 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:58,994 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,995 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,995 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,995 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,996 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:58,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:58,996 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 03:39:58,997 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:58,997 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:58,997 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:58,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:58,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:58,998 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 03:39:58,999 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 03:39:58,999 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,016 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 03:39:59,017 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 03:39:59,017 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,017 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:59,018 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,018 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,019 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,019 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,020 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,021 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 03:39:59,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,021 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:59,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,022 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,023 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,025 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 03:39:59,026 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,026 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:59,026 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,026 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,027 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,027 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,029 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,029 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 03:39:59,030 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,030 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 03:39:59,030 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,030 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,032 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,058 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,059 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 03:39:59,059 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 03:39:59,060 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,060 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,060 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,061 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:59,062 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:59,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,063 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 03:39:59,064 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,064 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,065 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:59,066 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:59,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,067 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,067 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 03:39:59,068 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,068 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,068 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,068 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,069 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:59,070 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:59,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,071 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 03:39:59,072 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,072 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,073 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 03:39:59,076 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 03:39:59,076 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,158 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 03:39:59,158 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 03:39:59,159 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,159 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:59,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,160 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,160 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,161 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,163 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,163 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 03:39:59,163 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,163 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:59,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,164 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,164 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,164 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,165 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,166 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 03:39:59,167 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,167 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:59,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,167 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,168 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,170 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 03:39:59,170 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,171 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 03:39:59,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 03:39:59,172 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 03:39:59,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,186 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 03:39:59,186 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 03:39:59,187 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,187 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,187 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:59,188 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:59,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,192 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 03:39:59,193 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,193 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,193 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:59,194 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:59,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,198 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 03:39:59,198 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,199 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,199 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:59,200 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:59,200 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,204 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 03:39:59,204 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 03:39:59,204 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 03:39:59,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:39:59,205 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:39:59,205 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:39:59,205 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 03:39:59,207 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 03:39:59,207 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:39:59,244 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:39:59,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 03:39:59,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 03:39:59,245 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand 5 states. [2020-06-22 03:39:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 03:39:59,309 INFO L93 Difference]: Finished difference Result 13 states and 17 transitions. [2020-06-22 03:39:59,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 03:39:59,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2020-06-22 03:39:59,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-06-22 03:39:59,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 17 transitions. [2020-06-22 03:39:59,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-06-22 03:39:59,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-06-22 03:39:59,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2020-06-22 03:39:59,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:39:59,313 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-06-22 03:39:59,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2020-06-22 03:39:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. [2020-06-22 03:39:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-06-22 03:39:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2020-06-22 03:39:59,315 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2020-06-22 03:39:59,315 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2020-06-22 03:39:59,316 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 03:39:59,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2020-06-22 03:39:59,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 03:39:59,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:39:59,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:39:59,317 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 03:39:59,317 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 03:39:59,317 INFO L794 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRY [66] ULTIMATE.startENTRY-->L29: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (<= 0 v_ULTIMATE.start_main_~y~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4] 88#L29 [41] L29-->fENTRY: Formula: (and (= |v_f_#in~yInParam_3| v_ULTIMATE.start_main_~y~0_7) (= |v_f_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{f_#in~y=|v_f_#in~yInParam_3|, f_#in~x=|v_f_#in~xInParam_3|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 95#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 93#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 94#L17 [43] L17-->L18: Formula: (= 0 v_f_~x_3) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 91#L18 [2020-06-22 03:39:59,317 INFO L796 eck$LassoCheckResult]: Loop: 91#L18 [42] L18-->fENTRY: Formula: (and (= |v_f_#in~yInParam_1| (+ v_f_~y_6 (- 1))) (= |v_f_#in~xInParam_1| v_f_~y_6)) InVars {f_~y=v_f_~y_6} OutVars{f_#in~y=|v_f_#in~yInParam_1|, f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 90#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 92#L14 [60] L14-->L17: Formula: (> 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 96#L17 [43] L17-->L18: Formula: (= 0 v_f_~x_3) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 91#L18 [2020-06-22 03:39:59,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash 90851030, now seen corresponding path program 1 times [2020-06-22 03:39:59,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:59,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:59,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:59,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:59,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:59,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:59,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2222774, now seen corresponding path program 1 times [2020-06-22 03:39:59,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:59,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:59,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:59,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:59,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:39:59,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:39:59,333 INFO L82 PathProgramCache]: Analyzing trace with hash 649248523, now seen corresponding path program 1 times [2020-06-22 03:39:59,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:39:59,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:39:59,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:59,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:59,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:39:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:39:59,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:39:59,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2020-06-22 03:39:59,357 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2020-06-22 03:39:59,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:39:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:39:59,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:39:59,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:39:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:39:59,441 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-06-22 03:39:59,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-06-22 03:39:59,519 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:39:59,519 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:39:59,519 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:39:59,519 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:39:59,520 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:39:59,520 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:39:59,520 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:39:59,520 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:39:59,520 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 03:39:59,520 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:39:59,520 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:39:59,521 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 03:39:59,534 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 03:39:59,536 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 03:39:59,539 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 03:39:59,624 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:39:59,624 INFO L412 LassoAnalysis]: Checking for nontermination... 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 03:39:59,630 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:39:59,631 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 03:39:59,665 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:39:59,666 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:40:06,285 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 03:40:06,289 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:40:06,289 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:40:06,289 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:40:06,289 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:40:06,290 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:40:06,290 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:40:06,290 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:40:06,290 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:40:06,290 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 03:40:06,290 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:40:06,290 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:40:06,292 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 03:40:06,304 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 03:40:06,306 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 03:40:06,308 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 03:40:06,358 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:40:06,358 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:40:06,358 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 03:40:06,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:40:06,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:40:06,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:40:06,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:40:06,360 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:40:06,360 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:40:06,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:40:06,364 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:40:06,366 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 03:40:06,366 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 03:40:06,369 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:40:06,369 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 03:40:06,369 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:40:06,369 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_~y) = 2*f_~y + 1 Supporting invariants [] [2020-06-22 03:40:06,370 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 03:40:06,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:40:06,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:40:06,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:40:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:40:06,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2020-06-22 03:40:06,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:40:06,507 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 03:40:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:06,539 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 03:40:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:06,551 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 03:40:06,552 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization [2020-06-22 03:40:06,555 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 4 loop predicates [2020-06-22 03:40:06,556 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 14 transitions. cyclomatic complexity: 5 Second operand 5 states. [2020-06-22 03:40:06,765 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 14 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 160 states and 233 transitions. Complement of second has 93 states. [2020-06-22 03:40:06,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states [2020-06-22 03:40:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 03:40:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2020-06-22 03:40:06,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 4 letters. [2020-06-22 03:40:06,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:40:06,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2020-06-22 03:40:06,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:40:06,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 5 letters. Loop has 8 letters. [2020-06-22 03:40:06,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:40:06,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 233 transitions. [2020-06-22 03:40:06,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2020-06-22 03:40:06,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 70 states and 110 transitions. [2020-06-22 03:40:06,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2020-06-22 03:40:06,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2020-06-22 03:40:06,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 110 transitions. [2020-06-22 03:40:06,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:40:06,792 INFO L706 BuchiCegarLoop]: Abstraction has 70 states and 110 transitions. [2020-06-22 03:40:06,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 110 transitions. [2020-06-22 03:40:06,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 18. [2020-06-22 03:40:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-06-22 03:40:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2020-06-22 03:40:06,797 INFO L729 BuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2020-06-22 03:40:06,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 03:40:06,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 03:40:06,797 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. Second operand 5 states. [2020-06-22 03:40:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 03:40:06,864 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2020-06-22 03:40:06,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-06-22 03:40:06,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2020-06-22 03:40:06,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2020-06-22 03:40:06,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 35 states and 49 transitions. [2020-06-22 03:40:06,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-06-22 03:40:06,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-06-22 03:40:06,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 49 transitions. [2020-06-22 03:40:06,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:40:06,869 INFO L706 BuchiCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-06-22 03:40:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 49 transitions. [2020-06-22 03:40:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2020-06-22 03:40:06,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-06-22 03:40:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2020-06-22 03:40:06,873 INFO L729 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2020-06-22 03:40:06,873 INFO L609 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2020-06-22 03:40:06,873 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 03:40:06,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 43 transitions. [2020-06-22 03:40:06,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2020-06-22 03:40:06,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:40:06,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:40:06,875 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 03:40:06,875 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2020-06-22 03:40:06,876 INFO L794 eck$LassoCheckResult]: Stem: 493#ULTIMATE.startENTRY [66] ULTIMATE.startENTRY-->L29: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (<= 0 v_ULTIMATE.start_main_~y~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4] 494#L29 [41] L29-->fENTRY: Formula: (and (= |v_f_#in~yInParam_3| v_ULTIMATE.start_main_~y~0_7) (= |v_f_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{f_#in~y=|v_f_#in~yInParam_3|, f_#in~x=|v_f_#in~xInParam_3|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 510#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 518#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 514#L17 [43] L17-->L18: Formula: (= 0 v_f_~x_3) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 501#L18 [2020-06-22 03:40:06,876 INFO L796 eck$LassoCheckResult]: Loop: 501#L18 [42] L18-->fENTRY: Formula: (and (= |v_f_#in~yInParam_1| (+ v_f_~y_6 (- 1))) (= |v_f_#in~xInParam_1| v_f_~y_6)) InVars {f_~y=v_f_~y_6} OutVars{f_#in~y=|v_f_#in~yInParam_1|, f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 506#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 507#L14 [60] L14-->L17: Formula: (> 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 509#L17 [63] L17-->L20: Formula: (< 0 v_f_~x_4) InVars {f_~x=v_f_~x_4} OutVars{f_~x=v_f_~x_4} AuxVars[] AssignedVars[] 497#L20 [35] L20-->fENTRY: Formula: (and (= |v_f_#in~xInParam_2| v_f_~y_7) (= |v_f_#in~yInParam_2| (+ v_f_~x_6 (- 1)))) InVars {f_~x=v_f_~x_6, f_~y=v_f_~y_7} OutVars{f_#in~y=|v_f_#in~yInParam_2|, f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 503#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 519#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 516#L17 [43] L17-->L18: Formula: (= 0 v_f_~x_3) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 501#L18 [2020-06-22 03:40:06,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:06,876 INFO L82 PathProgramCache]: Analyzing trace with hash 90851030, now seen corresponding path program 2 times [2020-06-22 03:40:06,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:40:06,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:40:06,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:06,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:40:06,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:06,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:06,884 INFO L82 PathProgramCache]: Analyzing trace with hash -196339067, now seen corresponding path program 1 times [2020-06-22 03:40:06,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:40:06,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:40:06,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:06,885 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:40:06,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:40:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 03:40:06,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 03:40:06,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 03:40:06,921 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 03:40:06,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 03:40:06,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 03:40:06,922 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. cyclomatic complexity: 14 Second operand 5 states. [2020-06-22 03:40:06,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 03:40:06,984 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2020-06-22 03:40:06,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 03:40:06,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2020-06-22 03:40:06,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-06-22 03:40:06,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 34 states and 46 transitions. [2020-06-22 03:40:06,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2020-06-22 03:40:06,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2020-06-22 03:40:06,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 46 transitions. [2020-06-22 03:40:06,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 03:40:06,990 INFO L706 BuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2020-06-22 03:40:06,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 46 transitions. [2020-06-22 03:40:06,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2020-06-22 03:40:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-06-22 03:40:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2020-06-22 03:40:06,993 INFO L729 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2020-06-22 03:40:06,993 INFO L609 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2020-06-22 03:40:06,993 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2020-06-22 03:40:06,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2020-06-22 03:40:06,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2020-06-22 03:40:06,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:40:06,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:40:06,995 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 03:40:06,995 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 1, 1, 1] [2020-06-22 03:40:06,995 INFO L794 eck$LassoCheckResult]: Stem: 572#ULTIMATE.startENTRY [66] ULTIMATE.startENTRY-->L29: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (<= 0 v_ULTIMATE.start_main_~y~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4] 573#L29 [41] L29-->fENTRY: Formula: (and (= |v_f_#in~yInParam_3| v_ULTIMATE.start_main_~y~0_7) (= |v_f_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{f_#in~y=|v_f_#in~yInParam_3|, f_#in~x=|v_f_#in~xInParam_3|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 587#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 584#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 585#L17 [43] L17-->L18: Formula: (= 0 v_f_~x_3) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 577#L18 [2020-06-22 03:40:06,995 INFO L796 eck$LassoCheckResult]: Loop: 577#L18 [42] L18-->fENTRY: Formula: (and (= |v_f_#in~yInParam_1| (+ v_f_~y_6 (- 1))) (= |v_f_#in~xInParam_1| v_f_~y_6)) InVars {f_~y=v_f_~y_6} OutVars{f_#in~y=|v_f_#in~yInParam_1|, f_#in~x=|v_f_#in~xInParam_1|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 580#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 581#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 589#L17 [63] L17-->L20: Formula: (< 0 v_f_~x_4) InVars {f_~x=v_f_~x_4} OutVars{f_~x=v_f_~x_4} AuxVars[] AssignedVars[] 574#L20 [35] L20-->fENTRY: Formula: (and (= |v_f_#in~xInParam_2| v_f_~y_7) (= |v_f_#in~yInParam_2| (+ v_f_~x_6 (- 1)))) InVars {f_~x=v_f_~x_6, f_~y=v_f_~y_7} OutVars{f_#in~y=|v_f_#in~yInParam_2|, f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 576#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 597#L14 [60] L14-->L17: Formula: (> 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 595#L17 [63] L17-->L20: Formula: (< 0 v_f_~x_4) InVars {f_~x=v_f_~x_4} OutVars{f_~x=v_f_~x_4} AuxVars[] AssignedVars[] 575#L20 [35] L20-->fENTRY: Formula: (and (= |v_f_#in~xInParam_2| v_f_~y_7) (= |v_f_#in~yInParam_2| (+ v_f_~x_6 (- 1)))) InVars {f_~x=v_f_~x_6, f_~y=v_f_~y_7} OutVars{f_#in~y=|v_f_#in~yInParam_2|, f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 593#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 591#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 592#L17 [43] L17-->L18: Formula: (= 0 v_f_~x_3) InVars {f_~x=v_f_~x_3} OutVars{f_~x=v_f_~x_3} AuxVars[] AssignedVars[] 577#L18 [2020-06-22 03:40:06,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:06,996 INFO L82 PathProgramCache]: Analyzing trace with hash 90851030, now seen corresponding path program 3 times [2020-06-22 03:40:06,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:40:06,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:40:06,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:06,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:40:06,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:07,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1472226132, now seen corresponding path program 2 times [2020-06-22 03:40:07,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:40:07,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:40:07,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,003 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:40:07,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:40:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-06-22 03:40:07,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 03:40:07,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-06-22 03:40:07,029 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-22 03:40:07,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 03:40:07,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 03:40:07,029 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. cyclomatic complexity: 11 Second operand 5 states. [2020-06-22 03:40:07,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 03:40:07,073 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-06-22 03:40:07,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-06-22 03:40:07,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2020-06-22 03:40:07,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 03:40:07,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 15 transitions. [2020-06-22 03:40:07,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-06-22 03:40:07,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-06-22 03:40:07,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 15 transitions. [2020-06-22 03:40:07,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:40:07,077 INFO L706 BuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-06-22 03:40:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 15 transitions. [2020-06-22 03:40:07,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 10. [2020-06-22 03:40:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-06-22 03:40:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2020-06-22 03:40:07,078 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-06-22 03:40:07,078 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-06-22 03:40:07,078 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2020-06-22 03:40:07,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2020-06-22 03:40:07,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 03:40:07,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 03:40:07,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 03:40:07,079 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-06-22 03:40:07,080 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 03:40:07,080 INFO L794 eck$LassoCheckResult]: Stem: 626#ULTIMATE.startENTRY [66] ULTIMATE.startENTRY-->L29: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (<= 0 v_ULTIMATE.start_main_~y~0_8)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4] 627#L29 [41] L29-->fENTRY: Formula: (and (= |v_f_#in~yInParam_3| v_ULTIMATE.start_main_~y~0_7) (= |v_f_#in~xInParam_3| v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{f_#in~y=|v_f_#in~yInParam_3|, f_#in~x=|v_f_#in~xInParam_3|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 633#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 635#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 634#L17 [63] L17-->L20: Formula: (< 0 v_f_~x_4) InVars {f_~x=v_f_~x_4} OutVars{f_~x=v_f_~x_4} AuxVars[] AssignedVars[] 628#L20 [2020-06-22 03:40:07,080 INFO L796 eck$LassoCheckResult]: Loop: 628#L20 [35] L20-->fENTRY: Formula: (and (= |v_f_#in~xInParam_2| v_f_~y_7) (= |v_f_#in~yInParam_2| (+ v_f_~x_6 (- 1)))) InVars {f_~x=v_f_~x_6, f_~y=v_f_~y_7} OutVars{f_#in~y=|v_f_#in~yInParam_2|, f_#in~x=|v_f_#in~xInParam_2|} AuxVars[] AssignedVars[f_#in~y, f_#in~x]< 629#fENTRY [48] fENTRY-->L14: Formula: (and (= v_f_~x_1 |v_f_#in~x_1|) (= v_f_~y_1 |v_f_#in~y_1|)) InVars {f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|} OutVars{f_#in~y=|v_f_#in~y_1|, f_#in~x=|v_f_#in~x_1|, f_~x=v_f_~x_1, f_~y=v_f_~y_1} AuxVars[] AssignedVars[f_~x, f_~y] 631#L14 [61] L14-->L17: Formula: (< 0 v_f_~y_3) InVars {f_~y=v_f_~y_3} OutVars{f_~y=v_f_~y_3} AuxVars[] AssignedVars[] 632#L17 [63] L17-->L20: Formula: (< 0 v_f_~x_4) InVars {f_~x=v_f_~x_4} OutVars{f_~x=v_f_~x_4} AuxVars[] AssignedVars[] 628#L20 [2020-06-22 03:40:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:07,080 INFO L82 PathProgramCache]: Analyzing trace with hash 90851050, now seen corresponding path program 1 times [2020-06-22 03:40:07,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:40:07,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:40:07,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,082 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 03:40:07,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:07,086 INFO L82 PathProgramCache]: Analyzing trace with hash 2014288, now seen corresponding path program 1 times [2020-06-22 03:40:07,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:40:07,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:40:07,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:40:07,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:07,091 INFO L82 PathProgramCache]: Analyzing trace with hash 667510457, now seen corresponding path program 1 times [2020-06-22 03:40:07,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 03:40:07,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 03:40:07,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 03:40:07,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 03:40:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:07,191 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:40:07,191 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:40:07,191 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:40:07,191 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:40:07,191 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 03:40:07,191 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 03:40:07,191 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:40:07,191 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:40:07,192 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Loop [2020-06-22 03:40:07,192 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:40:07,192 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:40:07,193 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 03:40:07,195 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 03:40:07,196 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 03:40:07,198 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 03:40:07,252 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:40:07,252 INFO L412 LassoAnalysis]: Checking for nontermination... 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 03:40:07,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:40:07,259 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:40:07,263 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:40:07,263 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#res=0} Honda state: {f_#res=0} 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 03:40:07,291 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:40:07,291 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:40:07,295 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:40:07,295 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~ret1=0} Honda state: {f_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 03:40:07,325 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:40:07,325 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:40:07,329 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 03:40:07,329 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~ret0=0} Honda state: {f_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 03:40:07,356 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 03:40:07,356 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 03:40:07,392 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 03:40:07,393 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 03:40:19,429 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-06-22 03:40:19,434 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 03:40:19,434 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 03:40:19,434 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 03:40:19,434 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 03:40:19,434 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 03:40:19,434 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 03:40:19,435 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 03:40:19,435 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 03:40:19,435 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration6_Loop [2020-06-22 03:40:19,435 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 03:40:19,435 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 03:40:19,436 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 03:40:19,438 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 03:40:19,449 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 03:40:19,450 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 03:40:19,493 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 03:40:19,493 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 03:40:19,493 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 03:40:19,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:40:19,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:40:19,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:40:19,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:40:19,494 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:40:19,495 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:40:19,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:40:19,495 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 03:40:19,496 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 03:40:19,496 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 03:40:19,496 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 03:40:19,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 03:40:19,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 03:40:19,496 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 03:40:19,497 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 03:40:19,497 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 03:40:19,500 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 03:40:19,502 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 03:40:19,502 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 03:40:19,502 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 03:40:19,503 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 03:40:19,503 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 03:40:19,503 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_~y, f_~x) = 1*f_~y + 1*f_~x Supporting invariants [] [2020-06-22 03:40:19,503 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 03:40:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 03:40:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:40:19,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 03:40:19,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:40:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:40:19,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjunts are in the unsatisfiable core [2020-06-22 03:40:19,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:40:19,574 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 03:40:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 03:40:19,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjunts are in the unsatisfiable core [2020-06-22 03:40:19,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 03:40:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 03:40:19,700 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-06-22 03:40:19,717 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 8 predicates after loop cannibalization [2020-06-22 03:40:19,718 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 8 loop predicates [2020-06-22 03:40:19,718 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand 5 states. [2020-06-22 03:40:19,942 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 11 transitions. cyclomatic complexity: 2. Second operand 5 states. Result 93 states and 125 transitions. Complement of second has 86 states. [2020-06-22 03:40:19,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 6 non-accepting loop states 3 accepting loop states [2020-06-22 03:40:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 03:40:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 18 transitions. [2020-06-22 03:40:19,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2020-06-22 03:40:19,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:40:19,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2020-06-22 03:40:19,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:40:19,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2020-06-22 03:40:19,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 03:40:19,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 125 transitions. [2020-06-22 03:40:19,949 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:40:19,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 0 states and 0 transitions. [2020-06-22 03:40:19,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 03:40:19,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 03:40:19,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 03:40:19,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 03:40:19,950 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:40:19,950 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:40:19,950 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 03:40:19,950 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ [2020-06-22 03:40:19,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 03:40:19,950 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 03:40:19,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 03:40:19,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 03:40:19 BasicIcfg [2020-06-22 03:40:19,959 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 03:40:19,959 INFO L168 Benchmark]: Toolchain (without parser) took 38145.34 ms. Allocated memory was 649.6 MB in the beginning and 770.7 MB in the end (delta: 121.1 MB). Free memory was 564.2 MB in the beginning and 574.6 MB in the end (delta: -10.4 MB). Peak memory consumption was 110.7 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,961 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 03:40:19,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.93 ms. Allocated memory was 649.6 MB in the beginning and 668.5 MB in the end (delta: 18.9 MB). Free memory was 564.2 MB in the beginning and 635.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.23 ms. Allocated memory is still 668.5 MB. Free memory was 635.0 MB in the beginning and 632.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,963 INFO L168 Benchmark]: Boogie Preprocessor took 16.47 ms. Allocated memory is still 668.5 MB. Free memory was 632.2 MB in the beginning and 631.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,964 INFO L168 Benchmark]: RCFGBuilder took 214.31 ms. Allocated memory is still 668.5 MB. Free memory was 630.0 MB in the beginning and 616.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,964 INFO L168 Benchmark]: BlockEncodingV2 took 85.48 ms. Allocated memory is still 668.5 MB. Free memory was 616.3 MB in the beginning and 610.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,965 INFO L168 Benchmark]: TraceAbstraction took 172.76 ms. Allocated memory is still 668.5 MB. Free memory was 609.8 MB in the beginning and 600.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,965 INFO L168 Benchmark]: BuchiAutomizer took 37330.87 ms. Allocated memory was 668.5 MB in the beginning and 770.7 MB in the end (delta: 102.2 MB). Free memory was 600.0 MB in the beginning and 574.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 127.6 MB. Max. memory is 50.3 GB. [2020-06-22 03:40:19,969 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 17 locations, 21 edges - StatisticsResult: Encoded RCFG 11 locations, 16 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 285.93 ms. Allocated memory was 649.6 MB in the beginning and 668.5 MB in the end (delta: 18.9 MB). Free memory was 564.2 MB in the beginning and 635.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.23 ms. Allocated memory is still 668.5 MB. Free memory was 635.0 MB in the beginning and 632.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 16.47 ms. Allocated memory is still 668.5 MB. Free memory was 632.2 MB in the beginning and 631.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 214.31 ms. Allocated memory is still 668.5 MB. Free memory was 630.0 MB in the beginning and 616.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 85.48 ms. Allocated memory is still 668.5 MB. Free memory was 616.3 MB in the beginning and 610.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 172.76 ms. Allocated memory is still 668.5 MB. Free memory was 609.8 MB in the beginning and 600.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 37330.87 ms. Allocated memory was 668.5 MB in the beginning and 770.7 MB in the end (delta: 102.2 MB). Free memory was 600.0 MB in the beginning and 574.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 127.6 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 2 procedures, 11 locations, 0 error locations. SAFE Result, 0.1s 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, 4 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 4 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * y + 1 and consists of 6 locations. One nondeterministic module has affine ranking function y + x and consists of 10 locations. 5 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.2s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 35.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 78 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 62 SDtfs, 101 SDslu, 116 SDs, 0 SdLazy, 223 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT1 conc2 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq188 hnf89 smp100 dnf100 smp100 tf106 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 7ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 33.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 03:39:38.579 ----------------------------------------------- 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 03:40:20.206 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check