/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 11:29:51,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:29:51,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:29:51,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:29:51,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:29:51,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:29:51,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:29:51,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:29:51,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:29:51,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:29:51,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:29:51,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:29:51,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:29:51,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:29:51,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:29:51,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:29:51,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:29:51,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:29:51,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:29:51,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:29:51,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:29:51,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:29:51,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:29:51,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:29:51,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:29:51,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:29:51,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:29:51,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:29:51,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:29:51,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:29:51,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:29:51,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:29:51,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:29:51,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:29:51,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:29:51,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:29:51,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:29:51,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:29:51,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:29:51,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:29:51,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:29:51,798 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:29:51,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:29:51,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:29:51,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:29:51,814 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:29:51,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:29:51,814 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:29:51,814 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:29:51,815 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:29:51,815 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:29:51,815 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:29:51,815 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:29:51,815 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:29:51,815 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:29:51,816 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:29:51,816 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:51,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:29:51,816 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:29:51,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:29:51,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:29:51,817 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:29:51,817 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:29:51,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:29:51,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:29:51,817 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:29:51,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:29:51,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:29:51,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:29:51,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:29:51,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:29:51,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:29:51,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:29:52,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:29:52,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:29:52,004 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:29:52,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:29:52,082 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_aoBBIn/tmp/2b05967f87674e4fbc8938113f850c0d/FLAGef2f60dcb [2020-07-01 11:29:52,411 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:29:52,412 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:29:52,564 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_aoBBIn/tmp/2b05967f87674e4fbc8938113f850c0d/FLAGef2f60dcb [2020-07-01 11:29:52,822 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_aoBBIn/tmp/2b05967f87674e4fbc8938113f850c0d [2020-07-01 11:29:52,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:29:52,834 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:29:52,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:29:52,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:29:52,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:29:52,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:29:52" (1/1) ... [2020-07-01 11:29:52,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ccffa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:52, skipping insertion in model container [2020-07-01 11:29:52,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:29:52" (1/1) ... [2020-07-01 11:29:52,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:29:52,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:29:53,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:29:53,108 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:29:53,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:29:53,140 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:29:53,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53 WrapperNode [2020-07-01 11:29:53,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:29:53,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:29:53,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:29:53,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:29:53,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:29:53,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:29:53,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:29:53,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:29:53,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:29:53,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:29:53,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:29:53,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:29:53,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (1/1) ... No working directory specified, using /export/starexec/sandbox2/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 [2020-07-01 11:29:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:29:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:29:53,423 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:29:53,423 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 11:29:53,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:29:53 BoogieIcfgContainer [2020-07-01 11:29:53,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:29:53,427 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:29:53,427 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:29:53,430 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:29:53,430 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:29:53" (1/1) ... [2020-07-01 11:29:53,444 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 11:29:53,446 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:29:53,446 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:29:53,447 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:29:53,447 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:29:53,449 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:29:53,450 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:29:53,450 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:29:53,464 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:29:53,479 INFO L200 BlockEncoder]: SBE split 2 edges [2020-07-01 11:29:53,483 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 11:29:53,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:29:53,498 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 11:29:53,500 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-07-01 11:29:53,501 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:29:53,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:29:53,502 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:29:53,502 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:29:53,502 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-07-01 11:29:53,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:29:53 BasicIcfg [2020-07-01 11:29:53,503 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:29:53,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:29:53,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:29:53,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:29:53,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:29:52" (1/4) ... [2020-07-01 11:29:53,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5879d56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:29:53, skipping insertion in model container [2020-07-01 11:29:53,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (2/4) ... [2020-07-01 11:29:53,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5879d56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:29:53, skipping insertion in model container [2020-07-01 11:29:53,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:29:53" (3/4) ... [2020-07-01 11:29:53,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5879d56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:29:53, skipping insertion in model container [2020-07-01 11:29:53,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:29:53" (4/4) ... [2020-07-01 11:29:53,512 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:29:53,522 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:29:53,529 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:29:53,543 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:29:53,565 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:29:53,566 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:29:53,566 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:29:53,566 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:29:53,566 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:29:53,566 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:29:53,567 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:29:53,567 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:29:53,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 11:29:53,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:29:53,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 11:29:53,593 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:29:53,593 INFO L268 CegarLoopResult]: For program point L24-1(lines 13 29) no Hoare annotation was computed. [2020-07-01 11:29:53,593 INFO L268 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-07-01 11:29:53,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:29:53 BasicIcfg [2020-07-01 11:29:53,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:29:53,597 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:29:53,597 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:29:53,601 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:29:53,601 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:29:53,602 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:29:52" (1/5) ... [2020-07-01 11:29:53,602 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1216923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:29:53, skipping insertion in model container [2020-07-01 11:29:53,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:29:53,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:29:53" (2/5) ... [2020-07-01 11:29:53,603 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1216923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:29:53, skipping insertion in model container [2020-07-01 11:29:53,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:29:53,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:29:53" (3/5) ... [2020-07-01 11:29:53,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1216923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:29:53, skipping insertion in model container [2020-07-01 11:29:53,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:29:53,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:29:53" (4/5) ... [2020-07-01 11:29:53,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1216923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:29:53, skipping insertion in model container [2020-07-01 11:29:53,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:29:53,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:29:53" (5/5) ... [2020-07-01 11:29:53,606 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:29:53,634 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:29:53,634 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:29:53,634 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:29:53,635 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:29:53,635 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:29:53,635 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:29:53,635 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:29:53,635 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:29:53,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 11:29:53,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:29:53,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:29:53,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:29:53,663 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:29:53,663 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:29:53,663 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:29:53,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 11:29:53,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:29:53,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:29:53,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:29:53,665 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:29:53,665 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:29:53,670 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [23] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L19true [30] L19-->L24-1: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) (= v_ULTIMATE.start_main_~x~0_5 (- 1))) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 4#L24-1true [2020-07-01 11:29:53,671 INFO L796 eck$LassoCheckResult]: Loop: 4#L24-1true [28] L24-1-->L24-1: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 (* v_ULTIMATE.start_main_~x~0_6 (- 1)))) (< v_ULTIMATE.start_main_~y~0_8 100) (< v_ULTIMATE.start_main_~z~0_8 100) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 4#L24-1true [2020-07-01 11:29:53,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:53,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1704, now seen corresponding path program 1 times [2020-07-01 11:29:53,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:53,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201817610] [2020-07-01 11:29:53,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:53,794 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:53,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:53,795 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times [2020-07-01 11:29:53,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:53,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681976577] [2020-07-01 11:29:53,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:53,810 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:53,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:53,812 INFO L82 PathProgramCache]: Analyzing trace with hash 52852, now seen corresponding path program 1 times [2020-07-01 11:29:53,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:53,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123209850] [2020-07-01 11:29:53,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:53,830 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:53,918 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:29:53,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:29:53,919 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:29:53,919 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:29:53,920 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:29:53,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:53,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:29:53,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:29:53,920 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 11:29:53,920 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:29:53,921 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:29:53,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:53,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:53,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:53,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:53,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:53,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:53,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,142 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:29:54,143 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/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 [2020-07-01 11:29:54,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:54,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:54,158 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:54,158 INFO L440 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/sandbox2/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 [2020-07-01 11:29:54,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:54,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:54,196 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:54,196 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/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 [2020-07-01 11:29:54,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:54,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:54,232 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:54,232 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/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 [2020-07-01 11:29:54,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:54,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:54,269 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:54,270 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/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 [2020-07-01 11:29:54,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:54,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:54,305 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:54,306 INFO L440 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/sandbox2/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 [2020-07-01 11:29:54,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:54,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:54,342 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:54,342 INFO L440 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/sandbox2/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 [2020-07-01 11:29:54,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:54,374 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/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 [2020-07-01 11:29:54,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:29:54,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:54,631 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:29:54,634 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:29:54,634 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:29:54,634 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:29:54,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:29:54,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:29:54,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:54,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:29:54,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:29:54,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 11:29:54,635 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:29:54,635 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:29:54,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:54,768 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:29:54,774 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 11:29:54,778 INFO L120 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 [2020-07-01 11:29:54,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:54,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:54,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:54,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:54,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:54,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:54,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 11:29:54,828 INFO L120 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 [2020-07-01 11:29:54,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:54,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:54,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:54,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:54,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:54,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:54,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:54,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 11:29:54,868 INFO L120 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 [2020-07-01 11:29:54,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:54,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:54,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:54,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:54,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:54,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:54,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:54,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 11:29:54,908 INFO L120 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 [2020-07-01 11:29:54,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:54,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:54,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:54,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:54,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:54,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:54,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:54,919 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 11:29:54,964 INFO L120 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 [2020-07-01 11:29:54,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:54,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:54,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:54,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:54,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:54,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:54,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:54,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -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:1024 -smt2 -in -t:12000 [2020-07-01 11:29:55,004 INFO L120 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 [2020-07-01 11:29:55,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:55,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:55,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:55,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:55,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:55,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:55,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:55,049 INFO L120 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 [2020-07-01 11:29:55,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:55,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:55,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:55,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:55,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:55,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:55,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 11:29:55,080 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 11:29:55,080 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:55,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 11:29:55,093 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-01 11:29:55,094 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 11:29:55,095 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-07-01 11:29:55,132 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-01 11:29:55,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:29:55,191 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 11:29:55,192 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:29:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:29:55,205 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 11:29:55,205 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:29:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:29:55,232 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 11:29:55,237 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 [2020-07-01 11:29:55,239 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. [2020-07-01 11:29:55,284 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. [2020-07-01 11:29:55,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 11:29:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 11:29:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2020-07-01 11:29:55,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 11:29:55,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:55,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 11:29:55,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:55,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 11:29:55,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:55,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2020-07-01 11:29:55,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:29:55,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 4 transitions. [2020-07-01 11:29:55,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 11:29:55,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-07-01 11:29:55,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. [2020-07-01 11:29:55,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 11:29:55,305 INFO L688 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 11:29:55,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. [2020-07-01 11:29:55,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-07-01 11:29:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 11:29:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-07-01 11:29:55,335 INFO L711 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 11:29:55,335 INFO L591 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 11:29:55,335 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 11:29:55,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. [2020-07-01 11:29:55,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:29:55,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:29:55,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:29:55,336 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:29:55,337 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:29:55,337 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [23] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 47#L19 [35] L19-->L24-1: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_4 1)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 48#L24-1 [2020-07-01 11:29:55,337 INFO L796 eck$LassoCheckResult]: Loop: 48#L24-1 [28] L24-1-->L24-1: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 (* v_ULTIMATE.start_main_~x~0_6 (- 1)))) (< v_ULTIMATE.start_main_~y~0_8 100) (< v_ULTIMATE.start_main_~z~0_8 100) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 48#L24-1 [2020-07-01 11:29:55,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:55,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1709, now seen corresponding path program 1 times [2020-07-01 11:29:55,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:55,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195138434] [2020-07-01 11:29:55,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:55,347 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:55,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:55,347 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 2 times [2020-07-01 11:29:55,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:55,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547717883] [2020-07-01 11:29:55,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:55,356 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:55,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash 53007, now seen corresponding path program 1 times [2020-07-01 11:29:55,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:55,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340461600] [2020-07-01 11:29:55,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:55,369 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:55,415 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:29:55,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:29:55,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:29:55,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:29:55,416 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:29:55,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:55,416 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:29:55,416 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:29:55,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-07-01 11:29:55,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:29:55,417 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:29:55,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,546 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:29:55,546 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:55,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:55,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:55,558 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:55,558 INFO L440 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/sandbox2/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:55,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:55,598 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:55,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:29:55,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:55,946 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:29:55,949 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:29:55,949 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:29:55,949 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:29:55,949 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:29:55,949 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:29:55,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:55,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:29:55,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:29:55,950 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-07-01 11:29:55,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:29:55,950 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:29:55,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:55,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,056 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:29:56,057 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,060 INFO L120 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 [2020-07-01 11:29:56,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:56,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:56,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:56,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:56,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:56,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:56,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,103 INFO L120 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 [2020-07-01 11:29:56,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:56,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:56,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:56,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:56,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:56,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:56,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:56,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,141 INFO L120 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 [2020-07-01 11:29:56,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:56,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:56,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:56,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:56,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:56,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:56,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:56,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,178 INFO L120 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 [2020-07-01 11:29:56,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:56,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:56,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:56,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:56,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:56,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:56,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:56,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,232 INFO L120 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 [2020-07-01 11:29:56,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:56,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:56,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:56,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:56,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:56,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:56,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,273 INFO L120 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 [2020-07-01 11:29:56,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:56,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:56,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:56,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:56,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:56,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:56,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:56,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,310 INFO L120 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 [2020-07-01 11:29:56,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:56,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:56,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:56,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:56,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:56,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:56,326 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 11:29:56,336 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-07-01 11:29:56,336 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:56,343 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 11:29:56,347 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-01 11:29:56,347 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 11:29:56,347 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-07-01 11:29:56,379 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-01 11:29:56,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:29:56,411 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 11:29:56,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:29:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:29:56,416 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 11:29:56,417 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:29:56,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:29:56,426 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 11:29:56,427 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 [2020-07-01 11:29:56,427 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2 Second operand 2 states. [2020-07-01 11:29:56,446 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2. Second operand 2 states. Result 5 states and 6 transitions. Complement of second has 2 states. [2020-07-01 11:29:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 11:29:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 11:29:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2020-07-01 11:29:56,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 11:29:56,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:56,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 11:29:56,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:56,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 11:29:56,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:56,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. [2020-07-01 11:29:56,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:29:56,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 3 transitions. [2020-07-01 11:29:56,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 11:29:56,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-07-01 11:29:56,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2020-07-01 11:29:56,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 11:29:56,452 INFO L688 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-07-01 11:29:56,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2020-07-01 11:29:56,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-07-01 11:29:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 11:29:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-07-01 11:29:56,453 INFO L711 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-07-01 11:29:56,453 INFO L591 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-07-01 11:29:56,453 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 11:29:56,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2020-07-01 11:29:56,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:29:56,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:29:56,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:29:56,454 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:29:56,454 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:29:56,454 INFO L794 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY [23] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 90#L19 [34] L19-->L24-1: Formula: (and (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_4 1)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 91#L24-1 [2020-07-01 11:29:56,455 INFO L796 eck$LassoCheckResult]: Loop: 91#L24-1 [28] L24-1-->L24-1: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 (* v_ULTIMATE.start_main_~x~0_6 (- 1)))) (< v_ULTIMATE.start_main_~y~0_8 100) (< v_ULTIMATE.start_main_~z~0_8 100) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 91#L24-1 [2020-07-01 11:29:56,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:56,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1708, now seen corresponding path program 1 times [2020-07-01 11:29:56,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:56,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340853653] [2020-07-01 11:29:56,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:56,462 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:56,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:56,463 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 3 times [2020-07-01 11:29:56,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:56,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724663958] [2020-07-01 11:29:56,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:56,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:56,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:56,471 INFO L82 PathProgramCache]: Analyzing trace with hash 52976, now seen corresponding path program 1 times [2020-07-01 11:29:56,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:29:56,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799649895] [2020-07-01 11:29:56,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:29:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:29:56,481 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:29:56,515 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:29:56,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:29:56,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:29:56,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:29:56,516 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:29:56,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:29:56,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:29:56,516 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 11:29:56,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:29:56,516 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:29:56,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:56,609 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:29:56,609 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:56,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:56,615 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:56,615 INFO L440 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/sandbox2/solver/bin/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,647 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:56,647 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:56,650 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:56,650 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:56,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:56,685 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:56,685 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:56,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:56,720 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:56,720 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:56,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:56,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:29:56,756 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:29:56,787 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:29:56,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:29:56,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:29:57,075 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:29:57,078 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:29:57,078 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:29:57,078 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:29:57,078 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:29:57,078 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:29:57,078 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:29:57,078 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:29:57,079 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 11:29:57,079 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:29:57,079 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:29:57,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:57,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:57,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:57,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:57,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:57,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:57,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:29:57,160 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:29:57,160 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,162 INFO L120 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 [2020-07-01 11:29:57,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:57,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:57,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:57,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:57,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:57,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:57,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:57,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,198 INFO L120 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 [2020-07-01 11:29:57,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:57,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:57,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:57,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:57,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:57,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:57,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:57,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,234 INFO L120 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 [2020-07-01 11:29:57,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:57,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:57,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:57,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:57,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:57,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:57,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:57,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,270 INFO L120 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 [2020-07-01 11:29:57,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:57,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:57,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:57,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:57,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:57,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:57,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,309 INFO L120 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 [2020-07-01 11:29:57,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:57,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:29:57,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:57,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:57,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:57,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:29:57,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:29:57,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,345 INFO L120 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 [2020-07-01 11:29:57,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:29:57,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:29:57,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:29:57,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:29:57,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:29:57,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:29:57,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 11:29:57,371 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-07-01 11:29:57,371 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:29:57,375 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 11:29:57,379 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-01 11:29:57,379 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 11:29:57,379 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-07-01 11:29:57,410 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-01 11:29:57,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:29:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:29:57,438 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 11:29:57,438 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:29:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:29:57,442 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-01 11:29:57,443 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:29:57,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:29:57,452 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 11:29:57,452 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 [2020-07-01 11:29:57,453 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. [2020-07-01 11:29:57,470 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. [2020-07-01 11:29:57,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 11:29:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 11:29:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2020-07-01 11:29:57,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 11:29:57,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:57,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 11:29:57,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:57,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 11:29:57,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:29:57,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. [2020-07-01 11:29:57,473 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 11:29:57,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2020-07-01 11:29:57,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 11:29:57,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 11:29:57,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 11:29:57,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 11:29:57,474 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 11:29:57,474 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 11:29:57,474 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 11:29:57,474 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-01 11:29:57,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 11:29:57,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 11:29:57,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 11:29:57,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:29:57 BasicIcfg [2020-07-01 11:29:57,480 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 11:29:57,483 INFO L168 Benchmark]: Toolchain (without parser) took 4647.99 ms. Allocated memory was 649.6 MB in the beginning and 763.4 MB in the end (delta: 113.8 MB). Free memory was 562.7 MB in the beginning and 568.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 107.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:29:57,483 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:29:57,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.98 ms. Allocated memory was 649.6 MB in the beginning and 698.9 MB in the end (delta: 49.3 MB). Free memory was 562.7 MB in the beginning and 663.3 MB in the end (delta: -100.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:29:57,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.65 ms. Allocated memory is still 698.9 MB. Free memory was 663.3 MB in the beginning and 660.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:29:57,485 INFO L168 Benchmark]: Boogie Preprocessor took 20.44 ms. Allocated memory is still 698.9 MB. Free memory is still 660.6 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:29:57,485 INFO L168 Benchmark]: RCFGBuilder took 229.13 ms. Allocated memory is still 698.9 MB. Free memory was 659.3 MB in the beginning and 646.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:29:57,486 INFO L168 Benchmark]: BlockEncodingV2 took 76.13 ms. Allocated memory is still 698.9 MB. Free memory was 646.1 MB in the beginning and 639.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:29:57,486 INFO L168 Benchmark]: TraceAbstraction took 91.83 ms. Allocated memory is still 698.9 MB. Free memory was 639.6 MB in the beginning and 632.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. [2020-07-01 11:29:57,487 INFO L168 Benchmark]: BuchiAutomizer took 3883.47 ms. Allocated memory was 698.9 MB in the beginning and 763.4 MB in the end (delta: 64.5 MB). Free memory was 632.8 MB in the beginning and 568.8 MB in the end (delta: 64.0 MB). Peak memory consumption was 128.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:29:57,490 INFO L336 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 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 304.98 ms. Allocated memory was 649.6 MB in the beginning and 698.9 MB in the end (delta: 49.3 MB). Free memory was 562.7 MB in the beginning and 663.3 MB in the end (delta: -100.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.65 ms. Allocated memory is still 698.9 MB. Free memory was 663.3 MB in the beginning and 660.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.44 ms. Allocated memory is still 698.9 MB. Free memory is still 660.6 MB. There was no memory consumed. Max. memory is 50.3 GB. * RCFGBuilder took 229.13 ms. Allocated memory is still 698.9 MB. Free memory was 659.3 MB in the beginning and 646.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.13 ms. Allocated memory is still 698.9 MB. Free memory was 646.1 MB in the beginning and 639.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 91.83 ms. Allocated memory is still 698.9 MB. Free memory was 639.6 MB in the beginning and 632.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3883.47 ms. Allocated memory was 698.9 MB in the beginning and 763.4 MB in the end (delta: 64.5 MB). Free memory was 632.8 MB in the beginning and 568.8 MB in the end (delta: 64.0 MB). Peak memory consumption was 128.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax159 hnf96 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf100 smp100 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 12 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 11:29:49.533 ----------------------------------------------- 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/sandbox2/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/sandbox2/tmp/BenchExec_run_aoBBIn/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:29:58.124 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check