MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 08:00:10,925 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 08:00:10,927 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 08:00:10,938 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 08:00:10,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 08:00:10,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 08:00:10,941 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 08:00:10,942 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 08:00:10,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 08:00:10,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 08:00:10,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 08:00:10,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 08:00:10,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 08:00:10,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 08:00:10,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 08:00:10,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 08:00:10,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 08:00:10,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 08:00:10,953 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 08:00:10,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 08:00:10,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 08:00:10,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 08:00:10,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 08:00:10,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 08:00:10,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 08:00:10,960 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 08:00:10,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 08:00:10,961 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 08:00:10,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 08:00:10,962 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 08:00:10,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 08:00:10,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 08:00:10,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 08:00:10,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 08:00:10,965 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 08:00:10,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 08:00:10,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 08:00:10,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 08:00:10,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 08:00:10,967 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 08:00:10,981 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 08:00:10,981 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 08:00:10,982 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 08:00:10,983 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 08:00:10,983 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 08:00:10,983 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 08:00:10,983 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 08:00:10,983 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 08:00:10,983 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 08:00:10,984 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 08:00:10,984 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 08:00:10,984 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 08:00:10,984 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 08:00:10,984 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 08:00:10,984 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:10,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 08:00:10,985 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 08:00:10,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 08:00:10,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 08:00:10,985 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 08:00:10,985 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 08:00:10,985 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 08:00:10,986 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 08:00:10,986 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 08:00:10,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 08:00:10,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 08:00:10,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 08:00:10,986 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 08:00:10,987 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 08:00:11,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 08:00:11,024 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 08:00:11,028 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 08:00:11,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 08:00:11,030 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 08:00:11,030 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 08:00:11,129 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/200763e9c7c84b5b890720dc417eb908/FLAGc68464c99 [2020-06-22 08:00:11,455 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 08:00:11,456 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 08:00:11,463 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/200763e9c7c84b5b890720dc417eb908/FLAGc68464c99 [2020-06-22 08:00:11,926 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/200763e9c7c84b5b890720dc417eb908 [2020-06-22 08:00:11,937 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 08:00:11,939 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 08:00:11,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 08:00:11,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 08:00:11,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 08:00:11,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 08:00:11" (1/1) ... [2020-06-22 08:00:11,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0aecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:11, skipping insertion in model container [2020-06-22 08:00:11,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 08:00:11" (1/1) ... [2020-06-22 08:00:11,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 08:00:11,973 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 08:00:12,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 08:00:12,135 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 08:00:12,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 08:00:12,222 INFO L195 MainTranslator]: Completed translation [2020-06-22 08:00:12,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12 WrapperNode [2020-06-22 08:00:12,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 08:00:12,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 08:00:12,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 08:00:12,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 08:00:12,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 08:00:12,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 08:00:12,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 08:00:12,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 08:00:12,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 08:00:12,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 08:00:12,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 08:00:12,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 08:00:12,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (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 08:00:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 08:00:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 08:00:12,468 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 08:00:12,469 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 08:00:12,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:00:12 BoogieIcfgContainer [2020-06-22 08:00:12,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 08:00:12,470 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 08:00:12,471 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 08:00:12,472 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 08:00:12,473 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:00:12" (1/1) ... [2020-06-22 08:00:12,487 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 08:00:12,488 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 08:00:12,489 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 08:00:12,490 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 08:00:12,490 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 08:00:12,492 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 08:00:12,493 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 08:00:12,493 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 08:00:12,507 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 08:00:12,522 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 08:00:12,526 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 08:00:12,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 08:00:12,545 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 08:00:12,547 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 08:00:12,548 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 08:00:12,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 08:00:12,548 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 08:00:12,549 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 08:00:12,549 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-06-22 08:00:12,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 08:00:12 BasicIcfg [2020-06-22 08:00:12,550 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 08:00:12,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 08:00:12,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 08:00:12,554 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 08:00:12,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 08:00:11" (1/4) ... [2020-06-22 08:00:12,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678b6c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:00:12, skipping insertion in model container [2020-06-22 08:00:12,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (2/4) ... [2020-06-22 08:00:12,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678b6c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:00:12, skipping insertion in model container [2020-06-22 08:00:12,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:00:12" (3/4) ... [2020-06-22 08:00:12,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678b6c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:00:12, skipping insertion in model container [2020-06-22 08:00:12,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 08:00:12" (4/4) ... [2020-06-22 08:00:12,558 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 08:00:12,567 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 08:00:12,575 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 08:00:12,592 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 08:00:12,620 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 08:00:12,620 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 08:00:12,621 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 08:00:12,621 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 08:00:12,621 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 08:00:12,621 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 08:00:12,621 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 08:00:12,621 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 08:00:12,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 08:00:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 08:00:12,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 08:00:12,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 08:00:12,692 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 14 22) the Hoare annotation is: true [2020-06-22 08:00:12,692 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 08:00:12,693 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 21) no Hoare annotation was computed. [2020-06-22 08:00:12,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:00:12 BasicIcfg [2020-06-22 08:00:12,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 08:00:12,702 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 08:00:12,702 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 08:00:12,705 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 08:00:12,706 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:00:12,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 08:00:11" (1/5) ... [2020-06-22 08:00:12,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4864cd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 08:00:12, skipping insertion in model container [2020-06-22 08:00:12,707 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:00:12,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 08:00:12" (2/5) ... [2020-06-22 08:00:12,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4864cd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 08:00:12, skipping insertion in model container [2020-06-22 08:00:12,707 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:00:12,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:00:12" (3/5) ... [2020-06-22 08:00:12,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4864cd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 08:00:12, skipping insertion in model container [2020-06-22 08:00:12,708 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:00:12,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 08:00:12" (4/5) ... [2020-06-22 08:00:12,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4864cd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 08:00:12, skipping insertion in model container [2020-06-22 08:00:12,709 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 08:00:12,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:00:12" (5/5) ... [2020-06-22 08:00:12,710 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 08:00:12,738 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 08:00:12,738 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 08:00:12,738 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 08:00:12,738 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 08:00:12,739 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 08:00:12,739 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 08:00:12,739 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 08:00:12,739 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 08:00:12,739 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 08:00:12,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 08:00:12,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 08:00:12,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 08:00:12,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 08:00:12,767 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 08:00:12,768 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 08:00:12,768 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 08:00:12,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 08:00:12,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 08:00:12,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 08:00:12,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 08:00:12,769 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 08:00:12,769 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 08:00:12,774 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2) (= v_ULTIMATE.start_main_~life~0_1 13)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 4#L19-2true [2020-06-22 08:00:12,774 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 5#L19true [34] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~life~0_11) (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~death~0_10)) InVars {ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} AuxVars[] AssignedVars[] 4#L19-2true [2020-06-22 08:00:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:12,780 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2020-06-22 08:00:12,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:12,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:12,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:12,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:12,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:12,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:12,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1832, now seen corresponding path program 1 times [2020-06-22 08:00:12,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:12,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:12,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:12,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:12,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:12,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:12,870 INFO L82 PathProgramCache]: Analyzing trace with hash 53726, now seen corresponding path program 1 times [2020-06-22 08:00:12,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:12,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:12,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:12,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:12,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:00:12,930 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 08:00:12,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 08:00:12,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-22 08:00:13,004 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:13,005 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:13,005 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:13,005 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:13,005 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 08:00:13,005 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:13,005 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:13,006 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:13,006 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 08:00:13,006 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:13,006 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:13,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:00:13,035 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 08:00:13,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:00:13,187 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:13,187 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 08:00:13,198 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:13,198 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:13,232 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:00:13,232 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} 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 08:00:13,243 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:13,243 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:13,272 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:00:13,272 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=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 08:00:13,277 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:13,277 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 08:00:13,314 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 08:00:13,314 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:21,513 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 08:00:21,517 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:21,517 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:21,517 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:21,518 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:21,518 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 08:00:21,518 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 08:00:21,518 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:21,518 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:21,518 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 08:00:21,518 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:21,518 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:21,521 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 08:00:21,525 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 08:00:21,545 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 08:00:21,606 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:21,611 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 08:00:21,613 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 08:00:21,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:21,615 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:21,615 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:21,615 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:21,619 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:21,620 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:21,626 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:21,626 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:00:21,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:21,627 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:21,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:21,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:21,628 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:21,630 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 08:00:21,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:21,642 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 08:00:21,659 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-06-22 08:00:21,659 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2020-06-22 08:00:21,661 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 08:00:21,661 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 08:00:21,662 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 08:00:21,662 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0) = -1*ULTIMATE.start_main_~life~0 + 1*ULTIMATE.start_main_~choose~0 Supporting invariants [] [2020-06-22 08:00:21,664 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 08:00:21,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:00:21,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 08:00:21,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 08:00:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:00:21,711 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-06-22 08:00:21,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 08:00:21,736 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 08:00:21,748 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 08:00:21,753 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 08:00:21,754 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 08:00:21,803 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 12 transitions. Complement of second has 4 states. [2020-06-22 08:00:21,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 08:00:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 08:00:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-22 08:00:21,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 08:00:21,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:00:21,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 08:00:21,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:00:21,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 08:00:21,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:00:21,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 12 transitions. [2020-06-22 08:00:21,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 08:00:21,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 12 transitions. [2020-06-22 08:00:21,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 08:00:21,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 08:00:21,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 12 transitions. [2020-06-22 08:00:21,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 08:00:21,822 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-06-22 08:00:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 12 transitions. [2020-06-22 08:00:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-06-22 08:00:21,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 08:00:21,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2020-06-22 08:00:21,850 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-06-22 08:00:21,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-06-22 08:00:21,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-06-22 08:00:21,853 INFO L87 Difference]: Start difference. First operand 7 states and 12 transitions. Second operand 4 states. [2020-06-22 08:00:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 08:00:21,903 INFO L93 Difference]: Finished difference Result 8 states and 12 transitions. [2020-06-22 08:00:21,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-06-22 08:00:21,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 12 transitions. [2020-06-22 08:00:21,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 08:00:21,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 11 transitions. [2020-06-22 08:00:21,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-06-22 08:00:21,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-06-22 08:00:21,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 11 transitions. [2020-06-22 08:00:21,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 08:00:21,907 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-06-22 08:00:21,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 11 transitions. [2020-06-22 08:00:21,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-06-22 08:00:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 08:00:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-06-22 08:00:21,909 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-06-22 08:00:21,909 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-06-22 08:00:21,909 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 08:00:21,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. [2020-06-22 08:00:21,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 08:00:21,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 08:00:21,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 08:00:21,910 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-06-22 08:00:21,911 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 08:00:21,911 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2) (= v_ULTIMATE.start_main_~life~0_1 13)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 62#L19-2 [27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 65#L19 [36] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6) (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~death~0_9)) InVars {ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 63#L19-2 [27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 64#L19 [36] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6) (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~death~0_9)) InVars {ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 67#L19-2 [2020-06-22 08:00:21,911 INFO L796 eck$LassoCheckResult]: Loop: 67#L19-2 [27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 66#L19 [34] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~life~0_11) (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~death~0_10)) InVars {ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} AuxVars[] AssignedVars[] 67#L19-2 [2020-06-22 08:00:21,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:21,912 INFO L82 PathProgramCache]: Analyzing trace with hash 51633481, now seen corresponding path program 1 times [2020-06-22 08:00:21,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:21,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:21,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:21,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:21,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:21,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:21,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1832, now seen corresponding path program 2 times [2020-06-22 08:00:21,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:21,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:21,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:21,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:21,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:21,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1919831440, now seen corresponding path program 1 times [2020-06-22 08:00:21,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:21,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:21,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:21,941 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 08:00:21,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:00:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-06-22 08:00:21,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 08:00:21,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-06-22 08:00:22,008 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:22,008 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:22,008 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:22,008 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:22,008 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 08:00:22,009 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:22,009 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:22,009 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:22,009 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 08:00:22,009 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:22,009 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:22,011 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 08:00:22,015 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 08:00:22,019 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 08:00:22,123 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:22,124 INFO L412 LassoAnalysis]: Checking for nontermination... 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 08:00:22,127 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:22,127 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:22,155 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:00:22,155 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:22,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:22,162 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:22,190 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:00:22,190 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} 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 08:00:22,195 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:22,195 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:22,236 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 08:00:22,236 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:34,273 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-06-22 08:00:34,278 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:34,278 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:34,278 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:34,278 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:34,278 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 08:00:34,279 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 08:00:34,279 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:34,279 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:34,279 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 08:00:34,279 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:34,279 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:34,281 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 08:00:34,284 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 08:00:34,295 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 08:00:34,347 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:34,347 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 08:00:34,348 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 08:00:34,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:34,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:34,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:34,349 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:34,352 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:34,353 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:34,356 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:34,357 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 08:00:34,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:34,357 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:34,357 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:34,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:34,358 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:34,359 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 08:00:34,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:34,366 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 08:00:34,375 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 08:00:34,375 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2020-06-22 08:00:34,375 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 08:00:34,376 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 08:00:34,376 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 08:00:34,376 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0) = -1*ULTIMATE.start_main_~life~0 + 1*ULTIMATE.start_main_~choose~0 Supporting invariants [] [2020-06-22 08:00:34,376 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 08:00:34,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:00:34,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 08:00:34,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 08:00:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 08:00:34,414 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-06-22 08:00:34,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 08:00:34,431 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 08:00:34,432 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 08:00:34,432 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 08:00:34,432 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-06-22 08:00:34,468 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 14 states and 22 transitions. Complement of second has 4 states. [2020-06-22 08:00:34,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 08:00:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 08:00:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-22 08:00:34,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2020-06-22 08:00:34,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:00:34,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2020-06-22 08:00:34,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:00:34,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2020-06-22 08:00:34,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 08:00:34,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 22 transitions. [2020-06-22 08:00:34,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-06-22 08:00:34,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 21 transitions. [2020-06-22 08:00:34,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-06-22 08:00:34,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-06-22 08:00:34,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 21 transitions. [2020-06-22 08:00:34,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 08:00:34,475 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 21 transitions. [2020-06-22 08:00:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 21 transitions. [2020-06-22 08:00:34,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. [2020-06-22 08:00:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-06-22 08:00:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 16 transitions. [2020-06-22 08:00:34,477 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 16 transitions. [2020-06-22 08:00:34,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-06-22 08:00:34,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-06-22 08:00:34,477 INFO L87 Difference]: Start difference. First operand 10 states and 16 transitions. Second operand 4 states. [2020-06-22 08:00:34,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 08:00:34,502 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2020-06-22 08:00:34,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 08:00:34,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2020-06-22 08:00:34,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 08:00:34,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 11 transitions. [2020-06-22 08:00:34,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-06-22 08:00:34,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-06-22 08:00:34,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2020-06-22 08:00:34,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 08:00:34,506 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-06-22 08:00:34,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2020-06-22 08:00:34,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 3. [2020-06-22 08:00:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 08:00:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-06-22 08:00:34,507 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 08:00:34,507 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 08:00:34,507 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 08:00:34,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. [2020-06-22 08:00:34,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 08:00:34,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 08:00:34,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 08:00:34,508 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 08:00:34,508 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 08:00:34,508 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2) (= v_ULTIMATE.start_main_~life~0_1 13)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 148#L19-2 [2020-06-22 08:00:34,508 INFO L796 eck$LassoCheckResult]: Loop: 148#L19-2 [27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 149#L19 [35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 148#L19-2 [2020-06-22 08:00:34,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:34,509 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 2 times [2020-06-22 08:00:34,509 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:34,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:34,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:34,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:34,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1833, now seen corresponding path program 1 times [2020-06-22 08:00:34,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:34,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:34,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:34,516 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 08:00:34,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:34,522 INFO L82 PathProgramCache]: Analyzing trace with hash 53727, now seen corresponding path program 1 times [2020-06-22 08:00:34,522 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:34,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:34,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:34,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:34,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:34,570 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:34,570 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:34,571 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:34,571 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:34,571 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 08:00:34,571 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:34,571 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:34,571 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:34,571 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 08:00:34,571 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:34,571 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:34,573 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 08:00:34,575 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 08:00:34,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:00:34,596 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 08:00:34,680 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:34,681 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:34,683 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:34,683 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:34,687 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:00:34,687 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:34,713 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:34,714 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:34,745 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 08:00:34,745 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:43,095 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 08:00:43,100 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:43,100 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:43,100 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:43,100 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:43,100 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 08:00:43,101 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 08:00:43,101 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:43,101 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:43,101 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 08:00:43,101 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:43,101 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:43,103 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 08:00:43,105 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 08:00:43,128 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 08:00:43,131 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 08:00:43,196 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:43,196 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 08:00:43,197 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 08:00:43,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,198 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,198 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:43,199 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 08:00:43,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,199 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,200 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:00:43,200 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,201 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:43,204 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:43,204 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:43,253 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,254 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 08:00:43,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,255 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:43,256 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:43,256 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:43,259 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,259 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 08:00:43,260 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,260 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,260 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:43,261 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:43,262 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:43,266 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,266 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 08:00:43,267 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 08:00:43,267 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,267 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,268 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,268 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 08:00:43,268 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,269 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 08:00:43,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,270 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,274 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:43,274 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:43,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,324 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 08:00:43,325 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,325 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,327 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:43,327 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:43,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,330 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 08:00:43,331 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,331 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,333 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:43,333 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:43,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,338 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 08:00:43,338 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 08:00:43,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,339 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,340 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 08:00:43,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,341 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 08:00:43,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,342 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,346 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,347 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,410 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,411 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 08:00:43,411 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,412 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,412 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,414 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,414 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,418 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 08:00:43,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,419 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,420 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,420 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,425 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,425 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 08:00:43,425 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 08:00:43,426 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,426 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,427 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 08:00:43,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,428 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,428 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 08:00:43,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,429 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,433 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:43,433 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:43,477 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,477 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 08:00:43,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,479 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,481 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:43,481 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:43,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,485 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 08:00:43,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:43,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,485 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,487 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:43,488 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:43,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,493 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 08:00:43,493 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 08:00:43,494 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,494 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,495 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,495 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 08:00:43,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,496 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 08:00:43,497 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,497 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,497 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,500 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:43,500 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:43,529 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,530 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 08:00:43,530 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,530 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,531 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,532 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:43,532 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:43,536 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,536 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 08:00:43,537 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,537 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,537 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,538 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:43,539 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:43,539 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:43,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,544 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 08:00:43,544 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 08:00:43,545 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,545 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:43,545 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,546 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,547 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 08:00:43,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,548 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 08:00:43,549 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,549 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:43,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,549 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,553 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,553 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,600 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,601 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 08:00:43,602 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,602 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:43,602 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,602 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,602 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,604 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,604 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,609 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 08:00:43,610 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,610 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:43,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,610 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,612 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,612 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,619 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 08:00:43,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:00:43,620 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,620 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:43,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,621 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,622 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 08:00:43,622 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:00:43,624 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,624 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:43,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,624 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,629 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:43,630 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:43,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,689 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:00:43,690 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,690 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:43,690 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,690 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,691 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,693 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:43,693 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:43,701 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,702 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 08:00:43,702 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,702 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:43,703 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,703 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,703 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:43,705 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:43,705 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:43,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,714 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 08:00:43,715 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 08:00:43,715 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,716 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,716 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,716 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,716 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,716 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,717 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 08:00:43,717 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,718 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,719 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 08:00:43,719 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,719 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,720 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,720 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,720 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,722 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,723 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,788 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 08:00:43,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,788 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,789 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,790 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,790 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,794 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 08:00:43,795 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,795 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:43,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,795 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:43,796 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:43,797 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:43,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,801 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 08:00:43,801 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 08:00:43,802 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,802 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:43,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:43,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,802 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:43,803 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:43,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:43,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:43,805 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 08:00:43,806 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:43,806 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:43,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:43,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:43,807 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:43,851 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 08:00:43,851 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 08:00:44,029 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:44,030 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 08:00:44,031 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:44,031 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:44,031 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:44,031 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:44,031 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:44,033 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 08:00:44,033 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 08:00:44,039 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:44,040 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 08:00:44,040 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:44,040 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:44,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:44,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:44,041 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:44,042 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 08:00:44,043 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 08:00:44,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:44,049 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-06-22 08:00:44,049 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2) (= v_ULTIMATE.start_main_~life~0_1 13)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 148#L19-2 [27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 149#L19 [35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 148#L19-2 [2020-06-22 08:00:44,050 INFO L796 eck$LassoCheckResult]: Loop: 148#L19-2 [27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 149#L19 [35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 148#L19-2 [2020-06-22 08:00:44,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:44,050 INFO L82 PathProgramCache]: Analyzing trace with hash 53727, now seen corresponding path program 2 times [2020-06-22 08:00:44,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:44,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:44,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:44,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 08:00:44,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:44,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1833, now seen corresponding path program 2 times [2020-06-22 08:00:44,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:44,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:44,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:44,059 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 08:00:44,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 08:00:44,064 INFO L82 PathProgramCache]: Analyzing trace with hash 51632519, now seen corresponding path program 3 times [2020-06-22 08:00:44,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 08:00:44,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 08:00:44,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:44,065 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 08:00:44,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 08:00:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 08:00:44,140 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:44,140 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:44,154 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:44,154 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:44,154 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 08:00:44,154 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:44,154 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:44,154 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:44,155 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 08:00:44,155 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:44,155 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:44,157 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 08:00:44,160 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 08:00:44,181 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 08:00:44,184 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 08:00:44,288 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:44,288 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 08:00:44,295 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:44,295 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:44,321 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 08:00:44,322 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 08:00:44,327 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 08:00:44,327 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 08:00:44,374 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 08:00:44,375 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 08:00:45,761 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 08:00:45,765 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 08:00:45,765 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 08:00:45,765 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 08:00:45,765 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 08:00:45,765 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 08:00:45,765 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 08:00:45,765 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 08:00:45,765 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 08:00:45,766 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 08:00:45,766 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 08:00:45,766 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 08:00:45,768 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 08:00:45,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 08:00:45,791 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 08:00:45,794 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 08:00:45,877 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 08:00:45,877 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 08:00:45,878 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 08:00:45,878 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,879 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:45,880 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:45,880 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:45,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,893 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 08:00:45,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,893 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:45,894 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:45,894 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:45,896 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,896 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 08:00:45,896 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,896 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,897 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:45,897 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:45,897 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 08:00:45,899 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,899 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 08:00:45,900 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,900 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:45,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,900 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 08:00:45,900 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 08:00:45,900 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:45,901 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,901 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 08:00:45,901 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 08:00:45,902 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,902 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,902 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:45,903 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:45,904 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:45,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,922 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 08:00:45,922 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,923 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:45,923 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:45,923 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:45,925 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,925 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 08:00:45,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,926 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:45,926 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:45,926 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:45,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,929 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 08:00:45,929 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:45,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,930 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:45,930 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 08:00:45,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:45,931 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,931 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 08:00:45,931 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 08:00:45,931 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,932 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:45,934 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:45,934 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:45,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,959 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 08:00:45,960 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,960 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:45,961 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:45,962 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:45,964 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,964 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 08:00:45,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,965 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:45,966 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:45,966 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:45,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,969 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 08:00:45,970 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,970 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:45,970 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,970 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:45,971 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 08:00:45,971 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:45,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:45,972 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 08:00:45,972 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 08:00:45,972 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:45,973 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:45,973 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:45,973 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:45,975 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:45,975 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:46,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,018 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 08:00:46,018 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:46,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,019 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:46,020 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:46,020 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:46,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,023 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 08:00:46,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:46,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,023 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:46,025 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:46,025 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:46,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,029 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 08:00:46,029 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 08:00:46,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:46,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,030 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:46,030 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 08:00:46,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:46,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,031 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 08:00:46,031 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 08:00:46,032 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,032 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,032 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:46,034 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:46,034 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:46,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,061 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 08:00:46,061 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,061 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,062 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:46,063 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:46,063 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:46,065 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,065 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 08:00:46,066 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,066 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,066 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:46,067 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 08:00:46,068 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 08:00:46,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,071 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 08:00:46,072 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,072 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:46,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,072 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 08:00:46,073 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 08:00:46,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:46,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,074 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 08:00:46,074 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 08:00:46,074 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,075 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:46,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,075 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,078 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:46,078 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:46,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,113 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 08:00:46,113 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,114 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:46,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,114 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,114 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,115 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:46,115 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:46,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,119 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 08:00:46,120 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,120 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:46,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,120 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,121 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:46,122 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:46,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,127 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 08:00:46,128 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,128 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 08:00:46,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:46,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,128 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,129 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 08:00:46,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:46,130 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,130 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 08:00:46,130 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 08:00:46,131 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,131 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,131 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:46,135 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:46,135 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:46,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,175 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 08:00:46,176 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,176 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,176 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:46,178 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:46,178 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:46,184 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,184 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 08:00:46,185 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,185 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,185 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,185 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:46,187 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 08:00:46,187 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 08:00:46,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,239 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 08:00:46,240 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,240 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,240 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:46,240 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,240 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,240 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 08:00:46,241 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 08:00:46,241 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:46,242 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,242 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 08:00:46,243 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 08:00:46,243 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,243 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,243 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,243 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,244 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,246 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:46,246 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:46,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,285 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 08:00:46,285 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,285 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,286 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,287 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:46,287 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:46,290 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,290 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 08:00:46,291 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,291 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,291 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,292 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 08:00:46,293 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 08:00:46,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,296 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 08:00:46,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,297 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 08:00:46,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:46,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,297 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 08:00:46,298 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 08:00:46,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:46,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,299 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 08:00:46,299 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 08:00:46,300 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,300 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,300 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:46,304 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 08:00:46,304 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 08:00:46,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,450 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 08:00:46,450 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,450 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,451 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:46,452 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 08:00:46,452 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 08:00:46,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,457 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 08:00:46,458 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,458 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,459 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:46,460 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 08:00:46,460 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 08:00:46,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,465 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 08:00:46,466 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 08:00:46,466 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 08:00:46,466 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 08:00:46,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 08:00:46,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 08:00:46,467 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 08:00:46,467 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 08:00:46,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 08:00:46,469 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 08:00:46,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 08:00:46 BasicIcfg [2020-06-22 08:00:46,476 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 08:00:46,476 INFO L168 Benchmark]: Toolchain (without parser) took 34538.69 ms. Allocated memory was 514.9 MB in the beginning and 731.4 MB in the end (delta: 216.5 MB). Free memory was 436.9 MB in the beginning and 487.8 MB in the end (delta: -50.9 MB). Peak memory consumption was 165.7 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,478 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 514.9 MB. Free memory is still 457.0 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 08:00:46,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.72 ms. Allocated memory was 514.9 MB in the beginning and 575.7 MB in the end (delta: 60.8 MB). Free memory was 436.9 MB in the beginning and 547.7 MB in the end (delta: -110.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.46 ms. Allocated memory is still 575.7 MB. Free memory was 547.7 MB in the beginning and 546.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,480 INFO L168 Benchmark]: Boogie Preprocessor took 18.63 ms. Allocated memory is still 575.7 MB. Free memory was 546.1 MB in the beginning and 544.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,480 INFO L168 Benchmark]: RCFGBuilder took 193.54 ms. Allocated memory is still 575.7 MB. Free memory was 544.0 MB in the beginning and 534.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,481 INFO L168 Benchmark]: BlockEncodingV2 took 79.29 ms. Allocated memory is still 575.7 MB. Free memory was 534.1 MB in the beginning and 528.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,481 INFO L168 Benchmark]: TraceAbstraction took 150.48 ms. Allocated memory is still 575.7 MB. Free memory was 528.2 MB in the beginning and 519.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,482 INFO L168 Benchmark]: BuchiAutomizer took 33774.23 ms. Allocated memory was 575.7 MB in the beginning and 731.4 MB in the end (delta: 155.7 MB). Free memory was 518.9 MB in the beginning and 487.8 MB in the end (delta: 31.1 MB). Peak memory consumption was 186.8 MB. Max. memory is 50.3 GB. [2020-06-22 08:00:46,486 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 514.9 MB. Free memory is still 457.0 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 283.72 ms. Allocated memory was 514.9 MB in the beginning and 575.7 MB in the end (delta: 60.8 MB). Free memory was 436.9 MB in the beginning and 547.7 MB in the end (delta: -110.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.46 ms. Allocated memory is still 575.7 MB. Free memory was 547.7 MB in the beginning and 546.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.63 ms. Allocated memory is still 575.7 MB. Free memory was 546.1 MB in the beginning and 544.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 193.54 ms. Allocated memory is still 575.7 MB. Free memory was 544.0 MB in the beginning and 534.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 79.29 ms. Allocated memory is still 575.7 MB. Free memory was 534.1 MB in the beginning and 528.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 50.3 GB. * TraceAbstraction took 150.48 ms. Allocated memory is still 575.7 MB. Free memory was 528.2 MB in the beginning and 519.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 33774.23 ms. Allocated memory was 575.7 MB in the beginning and 731.4 MB in the end (delta: 155.7 MB). Free memory was 518.9 MB in the beginning and 487.8 MB in the end (delta: 31.1 MB). Peak memory consumption was 186.8 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. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 0 deterministic, 2 nondeterministic) and one module whose termination is unknown.One nondeterministic module has affine ranking function -1 * life + choose and consists of 3 locations. One nondeterministic module has affine ranking function -1 * life + choose and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.7s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 33.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 39 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax155 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq181 hnf90 smp100 dnf100 smp100 tf104 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 149ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 21.9s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2) (= v_ULTIMATE.start_main_~life~0_1 13)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0]" "[27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0]" "[35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0]" Loop: "[27] L19-2-->L19: Formula: (and (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0]" "[35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0]" RESULT: Ultimate could not prove your program: unable to determine termination !SESSION 2020-06-22 08:00:08.649 ----------------------------------------------- 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 08:00:46.720 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check