/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 13:23:52,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 13:23:52,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 13:23:52,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 13:23:52,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 13:23:52,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 13:23:52,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 13:23:52,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 13:23:52,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 13:23:52,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 13:23:52,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 13:23:52,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 13:23:52,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 13:23:52,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 13:23:52,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 13:23:52,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 13:23:52,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 13:23:52,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 13:23:52,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 13:23:52,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 13:23:52,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 13:23:52,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 13:23:52,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 13:23:52,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 13:23:52,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 13:23:52,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 13:23:52,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 13:23:52,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 13:23:52,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 13:23:52,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 13:23:52,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 13:23:52,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 13:23:52,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 13:23:52,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 13:23:52,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 13:23:52,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 13:23:52,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 13:23:52,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 13:23:52,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 13:23:52,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 13:23:52,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 13:23:52,081 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 13:23:52,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 13:23:52,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 13:23:52,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 13:23:52,097 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 13:23:52,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 13:23:52,097 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 13:23:52,097 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 13:23:52,098 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 13:23:52,098 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 13:23:52,098 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 13:23:52,098 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 13:23:52,098 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 13:23:52,098 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 13:23:52,099 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 13:23:52,099 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:23:52,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 13:23:52,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 13:23:52,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 13:23:52,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 13:23:52,100 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 13:23:52,100 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 13:23:52,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 13:23:52,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 13:23:52,100 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 13:23:52,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 13:23:52,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 13:23:52,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 13:23:52,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 13:23:52,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 13:23:52,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 13:23:52,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 13:23:52,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 13:23:52,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 13:23:52,291 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 13:23:52,292 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 13:23:52,357 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_5xU1kd/tmp/c89b342395af42f88356e8eae6302d01/FLAG0c4ac89dc [2020-07-01 13:23:52,689 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 13:23:52,689 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 13:23:52,696 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_5xU1kd/tmp/c89b342395af42f88356e8eae6302d01/FLAG0c4ac89dc [2020-07-01 13:23:53,100 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_5xU1kd/tmp/c89b342395af42f88356e8eae6302d01 [2020-07-01 13:23:53,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 13:23:53,113 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 13:23:53,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 13:23:53,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 13:23:53,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 13:23:53,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15653997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 13:23:53,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 13:23:53,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 13:23:53,376 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 13:23:53,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 13:23:53,406 INFO L208 MainTranslator]: Completed translation [2020-07-01 13:23:53,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53 WrapperNode [2020-07-01 13:23:53,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 13:23:53,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 13:23:53,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 13:23:53,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 13:23:53,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 13:23:53,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 13:23:53,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 13:23:53,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 13:23:53,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 13:23:53,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 13:23:53,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 13:23:53,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 13:23:53,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 13:23:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 13:23:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 13:23:53,675 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 13:23:53,675 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 13:23:53,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:23:53 BoogieIcfgContainer [2020-07-01 13:23:53,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 13:23:53,679 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 13:23:53,679 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 13:23:53,682 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 13:23:53,682 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:23:53" (1/1) ... [2020-07-01 13:23:53,694 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 13:23:53,696 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 13:23:53,696 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 13:23:53,697 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 13:23:53,697 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 13:23:53,699 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 13:23:53,700 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 13:23:53,700 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 13:23:53,714 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 13:23:53,721 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 13:23:53,726 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 13:23:53,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 13:23:53,740 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 13:23:53,742 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-07-01 13:23:53,743 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 13:23:53,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 13:23:53,749 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 13:23:53,749 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 13:23:53,750 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 13:23:53,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 13:23:53,750 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 13:23:53,750 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 13:23:53,751 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-07-01 13:23:53,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:23:53 BasicIcfg [2020-07-01 13:23:53,751 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 13:23:53,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 13:23:53,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 13:23:53,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 13:23:53,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 01:23:53" (1/4) ... [2020-07-01 13:23:53,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f76805c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (2/4) ... [2020-07-01 13:23:53,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f76805c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:23:53" (3/4) ... [2020-07-01 13:23:53,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f76805c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:23:53" (4/4) ... [2020-07-01 13:23:53,760 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 13:23:53,771 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 13:23:53,777 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 13:23:53,791 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 13:23:53,813 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 13:23:53,814 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 13:23:53,814 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 13:23:53,814 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 13:23:53,814 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 13:23:53,814 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 13:23:53,815 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 13:23:53,815 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 13:23:53,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 13:23:53,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 13:23:53,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 13:23:53,887 INFO L271 CegarLoopResult]: At program point L17-2(lines 17 19) the Hoare annotation is: true [2020-07-01 13:23:53,887 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 13:23:53,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:23:53 BasicIcfg [2020-07-01 13:23:53,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 13:23:53,896 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 13:23:53,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 13:23:53,900 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 13:23:53,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:23:53,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 01:23:53" (1/5) ... [2020-07-01 13:23:53,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723d264b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:23:53,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:23:53" (2/5) ... [2020-07-01 13:23:53,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723d264b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:23:53,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:23:53" (3/5) ... [2020-07-01 13:23:53,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723d264b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:23:53,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:23:53" (4/5) ... [2020-07-01 13:23:53,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@723d264b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:23:53, skipping insertion in model container [2020-07-01 13:23:53,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:23:53,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:23:53" (5/5) ... [2020-07-01 13:23:53,905 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 13:23:53,934 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 13:23:53,934 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 13:23:53,934 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 13:23:53,934 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 13:23:53,935 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 13:23:53,935 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 13:23:53,935 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 13:23:53,935 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 13:23:53,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 13:23:53,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 13:23:53,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:23:53,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:23:53,960 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 13:23:53,960 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 13:23:53,960 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 13:23:53,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 13:23:53,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 13:23:53,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:23:53,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:23:53,961 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 13:23:53,962 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 13:23:53,966 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L17-2: Formula: (< v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 13:23:53,967 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [26] L17-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (* v_ULTIMATE.start_main_~y~0_8 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 13:23:53,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:23:53,973 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-07-01 13:23:53,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:23:53,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240379547] [2020-07-01 13:23:53,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:23:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:54,056 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:23:54,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:23:54,057 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-07-01 13:23:54,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:23:54,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072732406] [2020-07-01 13:23:54,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:23:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:54,066 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:23:54,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:23:54,068 INFO L82 PathProgramCache]: Analyzing trace with hash 2134, now seen corresponding path program 1 times [2020-07-01 13:23:54,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:23:54,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674627625] [2020-07-01 13:23:54,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:23:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:54,079 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:23:54,127 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:23:54,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:23:54,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:23:54,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:23:54,128 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 13:23:54,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:23:54,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:23:54,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:23:54,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 13:23:54,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:23:54,130 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:23:54,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:23:54,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:23:54,164 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 13:23:54,173 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 13:23:54,190 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 13:23:54,194 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 13:23:54,291 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:23:54,292 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:23:54,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:23:54,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:23:54,308 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:23:54,308 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/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:23:54,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:23:54,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:23:54,347 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:23:54,347 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/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:23:54,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:23:54,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:23:54,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:23:54,384 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/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:23:54,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:23:54,419 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:23:54,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 13:23:54,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:23:54,561 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 13:23:54,564 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:23:54,564 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:23:54,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:23:54,564 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:23:54,564 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 13:23:54,564 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:54,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:23:54,565 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:23:54,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 13:23:54,565 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:23:54,565 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:23:54,567 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 13:23:54,571 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 13:23:54,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:23:54,578 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 13:23:54,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 13:23:54,597 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 13:23:54,676 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:23:54,682 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:54,687 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 13:23:54,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:54,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:23:54,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 13:23:54,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:54,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:54,729 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 13:23:54,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:23:54,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:23:54,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:23:54,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:54,777 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 13:23:54,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:54,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:23:54,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 13:23:54,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:54,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:54,815 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 13:23:54,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:23:54,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:23:54,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:23:54,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:54,864 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 13:23:54,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:54,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:23:54,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 13:23:54,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:54,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:54,902 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 13:23:54,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:23:54,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:23:54,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:23:54,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:54,943 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox/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 13:23:54,946 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 13:23:54,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:54,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,949 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:54,950 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:23:54,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:54,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:54,985 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 13:23:54,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:54,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:54,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:54,988 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:54,992 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:23:54,993 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:23:55,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,032 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 13:23:55,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,035 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,036 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:23:55,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,071 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 13:23:55,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,074 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,080 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:23:55,080 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:23:55,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,126 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 13:23:55,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,129 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,130 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:23:55,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,165 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 13:23:55,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,167 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,171 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:23:55,172 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:23:55,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:55,208 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,233 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 13:23:55,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,237 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:55,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:55,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,280 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 13:23:55,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,283 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:55,288 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:55,288 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:55,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,328 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 13:23:55,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,331 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:55,332 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:55,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,367 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 13:23:55,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,370 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:55,376 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:55,376 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:55,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,418 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 13:23:55,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,421 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:55,421 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:55,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,456 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 13:23:55,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,458 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:55,462 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:55,462 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:55,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:55,499 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /export/starexec/sandbox/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 13:23:55,502 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 13:23:55,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,505 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:55,506 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:23:55,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,540 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 13:23:55,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,542 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:55,547 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:23:55,547 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:23:55,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,587 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 13:23:55,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,590 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:55,591 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:23:55,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,625 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 13:23:55,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,628 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:55,635 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:23:55,636 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:23:55,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,679 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 13:23:55,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,682 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:55,684 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:23:55,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,718 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 13:23:55,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:23:55,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,721 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:55,725 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:23:55,725 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:23:55,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:55,762 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,764 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 13:23:55,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:55,767 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:55,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,767 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,768 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:23:55,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,803 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 13:23:55,805 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:55,805 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:55,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,806 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,809 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:23:55,809 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:23:55,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,846 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 13:23:55,848 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:55,848 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:55,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,849 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,850 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:23:55,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,884 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 13:23:55,886 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:55,886 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:55,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,887 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,891 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:23:55,891 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:23:55,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:55,932 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 13:23:55,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:55,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:55,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:55,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,935 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,936 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:23:55,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:55,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:55,971 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 13:23:55,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:55,973 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:55,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:55,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:55,973 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:23:55,976 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:23:55,977 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:23:55,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:56,012 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /export/starexec/sandbox/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 13:23:56,014 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 13:23:56,017 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,017 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:23:56,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,018 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,019 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:56,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:56,056 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 13:23:56,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,059 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:23:56,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,059 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,063 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:56,063 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:56,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:56,106 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 13:23:56,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,109 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:23:56,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,110 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:56,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:56,148 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 13:23:56,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,151 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:23:56,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,152 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,158 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:56,158 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:56,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:56,207 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 13:23:56,209 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,210 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:23:56,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,210 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:56,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/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 13:23:56,248 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 13:23:56,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,251 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:23:56,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,251 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,255 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:56,255 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:56,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:56,294 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,298 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 13:23:56,301 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,301 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,301 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:56,303 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:23:56,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,342 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 13:23:56,345 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,345 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,346 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:56,351 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:23:56,351 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:23:56,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,396 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 13:23:56,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,400 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,400 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:56,402 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:23:56,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,440 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 13:23:56,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,444 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,444 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:56,450 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:23:56,450 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:23:56,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,501 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 13:23:56,504 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,505 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,505 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:56,507 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:23:56,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,545 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 13:23:56,547 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,548 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,548 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:23:56,553 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:23:56,553 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:23:56,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:56,595 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,598 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 13:23:56,601 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,601 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:56,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,601 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,602 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:56,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,637 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 13:23:56,639 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,639 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:56,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,640 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,643 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:56,643 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:56,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,681 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 13:23:56,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:56,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,685 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:56,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,720 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 13:23:56,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,723 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:56,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,723 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,728 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:56,728 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:56,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,772 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 13:23:56,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,774 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:56,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,774 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,776 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:23:56,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,811 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 13:23:56,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,814 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:23:56,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,814 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:23:56,818 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:23:56,818 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:23:56,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:56,854 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,857 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 13:23:56,859 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,859 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,860 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:23:56,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:23:56,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,899 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 13:23:56,902 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,902 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,902 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:23:56,907 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 13:23:56,907 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 13:23:56,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:56,970 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 13:23:56,972 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:56,973 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:56,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:56,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:56,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:56,973 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:23:56,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:23:56,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:56,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:57,012 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 13:23:57,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:57,015 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:57,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:57,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:57,015 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:23:57,022 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 13:23:57,023 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 13:23:57,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:57,073 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 13:23:57,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:57,076 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:57,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:23:57,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:57,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:57,076 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:23:57,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:23:57,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:23:57,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:23:57,115 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 13:23:57,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:23:57,118 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:23:57,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:23:57,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:23:57,118 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:23:57,123 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 13:23:57,123 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 13:23:57,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:23:57,165 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-07-01 13:23:57,165 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L17-2: Formula: (< v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_9) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [26] L17-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (* v_ULTIMATE.start_main_~y~0_8 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 13:23:57,166 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [26] L17-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 (* v_ULTIMATE.start_main_~y~0_8 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 13:23:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:23:57,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2134, now seen corresponding path program 2 times [2020-07-01 13:23:57,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:23:57,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836122100] [2020-07-01 13:23:57,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:23:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:57,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:23:57,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:23:57,176 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times [2020-07-01 13:23:57,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:23:57,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148508631] [2020-07-01 13:23:57,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:23:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:23:57,183 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:23:57,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:23:57,183 INFO L82 PathProgramCache]: Analyzing trace with hash 66180, now seen corresponding path program 3 times [2020-07-01 13:23:57,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:23:57,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42835106] [2020-07-01 13:23:57,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:23:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:23:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 13:23:57,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42835106] [2020-07-01 13:23:57,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724926327] [2020-07-01 13:23:57,242 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-01 13:23:57,265 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-07-01 13:23:57,265 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-01 13:23:57,267 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-01 13:23:57,268 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 13:23:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 13:23:57,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-01 13:23:57,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2020-07-01 13:23:57,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492679400] [2020-07-01 13:23:57,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 13:23:57,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 13:23:57,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-01 13:23:57,327 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 4 states. [2020-07-01 13:23:57,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 13:23:57,354 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2020-07-01 13:23:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 13:23:57,357 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 13:23:57,362 INFO L168 Benchmark]: Toolchain (without parser) took 4247.53 ms. Allocated memory was 514.9 MB in the beginning and 595.6 MB in the end (delta: 80.7 MB). Free memory was 439.0 MB in the beginning and 515.8 MB in the end (delta: -76.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,362 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 458.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 13:23:57,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.47 ms. Allocated memory was 514.9 MB in the beginning and 558.4 MB in the end (delta: 43.5 MB). Free memory was 439.0 MB in the beginning and 526.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.49 ms. Allocated memory is still 558.4 MB. Free memory was 526.3 MB in the beginning and 525.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,364 INFO L168 Benchmark]: Boogie Preprocessor took 19.97 ms. Allocated memory is still 558.4 MB. Free memory was 525.3 MB in the beginning and 523.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,364 INFO L168 Benchmark]: RCFGBuilder took 216.37 ms. Allocated memory is still 558.4 MB. Free memory was 523.6 MB in the beginning and 512.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,365 INFO L168 Benchmark]: BlockEncodingV2 took 72.10 ms. Allocated memory is still 558.4 MB. Free memory was 512.3 MB in the beginning and 507.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,365 INFO L168 Benchmark]: TraceAbstraction took 143.06 ms. Allocated memory is still 558.4 MB. Free memory was 506.4 MB in the beginning and 498.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,366 INFO L168 Benchmark]: BuchiAutomizer took 3463.14 ms. Allocated memory was 558.4 MB in the beginning and 595.6 MB in the end (delta: 37.2 MB). Free memory was 498.1 MB in the beginning and 515.8 MB in the end (delta: -17.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 50.3 GB. [2020-07-01 13:23:57,369 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 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 514.9 MB. Free memory is still 458.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 292.47 ms. Allocated memory was 514.9 MB in the beginning and 558.4 MB in the end (delta: 43.5 MB). Free memory was 439.0 MB in the beginning and 526.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.49 ms. Allocated memory is still 558.4 MB. Free memory was 526.3 MB in the beginning and 525.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.97 ms. Allocated memory is still 558.4 MB. Free memory was 525.3 MB in the beginning and 523.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * RCFGBuilder took 216.37 ms. Allocated memory is still 558.4 MB. Free memory was 523.6 MB in the beginning and 512.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 72.10 ms. Allocated memory is still 558.4 MB. Free memory was 512.3 MB in the beginning and 507.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 143.06 ms. Allocated memory is still 558.4 MB. Free memory was 506.4 MB in the beginning and 498.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3463.14 ms. Allocated memory was 558.4 MB in the beginning and 595.6 MB in the end (delta: 37.2 MB). Free memory was 498.1 MB in the beginning and 515.8 MB in the end (delta: -17.7 MB). Peak memory consumption was 19.5 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. - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 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=2occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 13:23:49.828 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run_5xU1kd/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 13:23:57.801 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check