/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 11:26:20,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:26:20,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:26:20,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:26:20,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:26:20,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:26:20,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:26:20,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:26:20,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:26:20,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:26:20,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:26:20,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:26:20,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:26:20,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:26:20,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:26:20,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:26:20,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:26:20,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:26:20,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:26:20,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:26:20,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:26:20,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:26:20,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:26:20,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:26:20,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:26:20,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:26:20,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:26:20,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:26:20,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:26:20,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:26:20,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:26:20,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:26:20,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:26:20,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:26:20,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:26:20,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:26:20,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:26:20,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:26:20,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:26:20,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:26:20,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:26:20,993 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:26:21,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:26:21,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:26:21,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:26:21,010 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:26:21,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:26:21,010 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:26:21,010 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:26:21,010 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:26:21,010 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:26:21,011 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:26:21,011 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:26:21,011 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:26:21,011 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:26:21,011 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:26:21,011 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:21,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:26:21,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:26:21,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:26:21,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:26:21,012 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:26:21,013 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:26:21,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:26:21,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:26:21,013 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:26:21,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:26:21,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:26:21,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:26:21,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:26:21,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:26:21,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:26:21,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:26:21,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:26:21,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:26:21,204 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:26:21,205 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:26:21,268 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_DP2qiB/tmp/19ee27d56af44293b79e141ee4bff520/FLAGbcda003fb [2020-07-01 11:26:21,596 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:26:21,597 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:26:21,603 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_DP2qiB/tmp/19ee27d56af44293b79e141ee4bff520/FLAGbcda003fb [2020-07-01 11:26:22,042 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_DP2qiB/tmp/19ee27d56af44293b79e141ee4bff520 [2020-07-01 11:26:22,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:26:22,055 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:26:22,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:26:22,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:26:22,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:26:22,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68363067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:26:22,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:26:22,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:26:22,317 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:26:22,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:26:22,347 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:26:22,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22 WrapperNode [2020-07-01 11:26:22,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:26:22,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:26:22,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:26:22,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:26:22,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:26:22,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:26:22,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:26:22,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:26:22,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:26:22,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:26:22,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:26:22,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:26:22,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:26:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:26:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:26:22,617 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:26:22,617 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 11:26:22,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:26:22 BoogieIcfgContainer [2020-07-01 11:26:22,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:26:22,622 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:26:22,622 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:26:22,624 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:26:22,625 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:26:22" (1/1) ... [2020-07-01 11:26:22,637 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-07-01 11:26:22,639 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:26:22,639 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:26:22,640 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:26:22,640 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:26:22,642 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:26:22,643 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:26:22,643 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:26:22,659 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:26:22,675 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 11:26:22,679 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 11:26:22,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:26:22,694 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 11:26:22,696 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 11:26:22,697 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:26:22,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:26:22,697 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:26:22,698 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:26:22,698 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 5 edges [2020-07-01 11:26:22,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:26:22 BasicIcfg [2020-07-01 11:26:22,699 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:26:22,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:26:22,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:26:22,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:26:22,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:26:22" (1/4) ... [2020-07-01 11:26:22,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7739603a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (2/4) ... [2020-07-01 11:26:22,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7739603a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:26:22" (3/4) ... [2020-07-01 11:26:22,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7739603a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:26:22" (4/4) ... [2020-07-01 11:26:22,707 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:26:22,717 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:26:22,724 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:26:22,738 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:26:22,760 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:26:22,761 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:26:22,761 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:26:22,761 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:26:22,761 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:26:22,761 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:26:22,761 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:26:22,762 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:26:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 11:26:22,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:26:22,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 11:26:22,834 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:26:22,835 INFO L271 CegarLoopResult]: At program point L14-2(lines 14 17) the Hoare annotation is: true [2020-07-01 11:26:22,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:26:22 BasicIcfg [2020-07-01 11:26:22,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:26:22,844 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:26:22,844 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:26:22,847 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:26:22,848 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:26:22,848 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:26:22" (1/5) ... [2020-07-01 11:26:22,849 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e96c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,849 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:26:22,849 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:26:22" (2/5) ... [2020-07-01 11:26:22,850 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e96c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:26:22,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:26:22" (3/5) ... [2020-07-01 11:26:22,850 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e96c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:26:22,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:26:22" (4/5) ... [2020-07-01 11:26:22,851 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e96c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:26:22, skipping insertion in model container [2020-07-01 11:26:22,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:26:22,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:26:22" (5/5) ... [2020-07-01 11:26:22,853 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:26:22,881 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:26:22,881 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:26:22,881 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:26:22,881 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:26:22,882 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:26:22,882 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:26:22,882 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:26:22,882 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:26:22,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 11:26:22,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:26:22,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:26:22,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:26:22,909 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:26:22,909 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:26:22,909 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:26:22,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 11:26:22,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:26:22,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:26:22,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:26:22,911 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:26:22,911 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:26:22,916 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 2) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L14-2true [2020-07-01 11:26:22,916 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (= 0 (mod .cse0 2)) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L14-2true [2020-07-01 11:26:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:22,923 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2020-07-01 11:26:22,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:22,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966213906] [2020-07-01 11:26:22,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:23,001 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:23,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:23,003 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-07-01 11:26:23,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:23,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888534945] [2020-07-01 11:26:23,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:23,024 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:23,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:23,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1546, now seen corresponding path program 1 times [2020-07-01 11:26:23,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:23,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622567168] [2020-07-01 11:26:23,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:26:23,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:26:23,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622567168] [2020-07-01 11:26:23,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:26:23,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 11:26:23,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422414857] [2020-07-01 11:26:23,159 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:23,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:23,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:23,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:23,160 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:26:23,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:23,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:23,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:23,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 11:26:23,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:23,162 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:23,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:23,320 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-07-01 11:26:23,356 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:23,357 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:23,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:23,364 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:23,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:26:23,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:23,714 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:26:23,717 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:23,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:23,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:23,717 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:23,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:26:23,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:23,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:23,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:23,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 11:26:23,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:23,718 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:23,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:23,819 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:23,825 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:23,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:23,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:23,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:23,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:23,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:23,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:23,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:26:23,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:23,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:23,877 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:23,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:23,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:23,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:23,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:23,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:23,883 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:23,887 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:23,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:23,893 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 11:26:23,903 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 11:26:23,903 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:23,909 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 11:26:23,910 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 11:26:23,910 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 11:26:23,911 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~x~0 - 4*ULTIMATE.start_main_~y~0 + 1 f1 = 4*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2020-07-01 11:26:23,944 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 11:26:23,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:26:23,987 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 11:26:23,988 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:26:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:26:24,000 WARN L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-01 11:26:24,000 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:26:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:26:24,036 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 11:26:24,042 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 11:26:24,043 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. [2020-07-01 11:26:24,101 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 7 states and 25 transitions. Complement of second has 5 states. [2020-07-01 11:26:24,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 11:26:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 11:26:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2020-07-01 11:26:24,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-01 11:26:24,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:24,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 11:26:24,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:24,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 11:26:24,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:24,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 25 transitions. [2020-07-01 11:26:24,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:26:24,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 5 states and 13 transitions. [2020-07-01 11:26:24,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 11:26:24,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-07-01 11:26:24,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 13 transitions. [2020-07-01 11:26:24,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 11:26:24,122 INFO L688 BuchiCegarLoop]: Abstraction has 5 states and 13 transitions. [2020-07-01 11:26:24,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 13 transitions. [2020-07-01 11:26:24,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. [2020-07-01 11:26:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-01 11:26:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-07-01 11:26:24,151 INFO L711 BuchiCegarLoop]: Abstraction has 4 states and 10 transitions. [2020-07-01 11:26:24,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:26:24,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 11:26:24,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 11:26:24,155 INFO L87 Difference]: Start difference. First operand 4 states and 10 transitions. Second operand 3 states. [2020-07-01 11:26:24,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:26:24,171 INFO L93 Difference]: Finished difference Result 3 states and 5 transitions. [2020-07-01 11:26:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 11:26:24,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 5 transitions. [2020-07-01 11:26:24,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:26:24,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 5 transitions. [2020-07-01 11:26:24,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 11:26:24,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-07-01 11:26:24,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5 transitions. [2020-07-01 11:26:24,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 11:26:24,175 INFO L688 BuchiCegarLoop]: Abstraction has 3 states and 5 transitions. [2020-07-01 11:26:24,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 5 transitions. [2020-07-01 11:26:24,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-07-01 11:26:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 11:26:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2020-07-01 11:26:24,176 INFO L711 BuchiCegarLoop]: Abstraction has 3 states and 5 transitions. [2020-07-01 11:26:24,176 INFO L591 BuchiCegarLoop]: Abstraction has 3 states and 5 transitions. [2020-07-01 11:26:24,177 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 11:26:24,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 5 transitions. [2020-07-01 11:26:24,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:26:24,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:26:24,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:26:24,178 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:26:24,178 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:26:24,178 INFO L794 eck$LassoCheckResult]: Stem: 51#ULTIMATE.startENTRY [18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 2) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 52#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 53#L14-2 [2020-07-01 11:26:24,178 INFO L796 eck$LassoCheckResult]: Loop: 53#L14-2 [27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (= 0 (mod .cse0 2)) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 53#L14-2 [2020-07-01 11:26:24,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:24,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1549, now seen corresponding path program 1 times [2020-07-01 11:26:24,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:24,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047578820] [2020-07-01 11:26:24,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,190 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:24,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:24,191 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times [2020-07-01 11:26:24,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:24,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923161237] [2020-07-01 11:26:24,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:24,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:24,200 INFO L82 PathProgramCache]: Analyzing trace with hash 48046, now seen corresponding path program 1 times [2020-07-01 11:26:24,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:24,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994087826] [2020-07-01 11:26:24,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,219 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:24,245 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:24,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:24,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:24,246 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:24,246 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:26:24,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:24,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:24,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:24,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 11:26:24,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:24,247 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:24,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:24,368 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:24,368 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:24,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:24,375 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:24,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:26:24,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:24,680 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:26:24,683 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:24,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:24,684 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:24,684 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:24,684 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:26:24,684 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:24,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:24,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:24,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 11:26:24,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:24,685 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:24,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:24,778 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:24,778 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/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 11:26:24,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:24,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:24,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:24,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:24,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:24,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:24,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:26:24,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:24,791 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:24,821 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:24,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:24,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:24,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:24,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:24,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:24,829 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:24,832 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:24,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:24,837 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 11:26:24,843 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 11:26:24,843 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:24,845 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 11:26:24,846 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 11:26:24,846 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 11:26:24,846 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -4*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~x~0 + 1 f1 = 4*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2020-07-01 11:26:24,878 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 11:26:24,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:26:24,906 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 11:26:24,906 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:26:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:26:24,915 WARN L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-01 11:26:24,915 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:26:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:26:24,937 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 11:26:24,937 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 11:26:24,937 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 5 transitions. cyclomatic complexity: 3 Second operand 2 states. [2020-07-01 11:26:24,971 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 5 transitions. cyclomatic complexity: 3. Second operand 2 states. Result 8 states and 22 transitions. Complement of second has 5 states. [2020-07-01 11:26:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 11:26:24,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 11:26:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2020-07-01 11:26:24,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 11:26:24,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:24,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-01 11:26:24,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:24,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 11:26:24,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:24,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 22 transitions. [2020-07-01 11:26:24,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 11:26:24,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 17 transitions. [2020-07-01 11:26:24,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 11:26:24,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-01 11:26:24,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 17 transitions. [2020-07-01 11:26:24,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 11:26:24,977 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 17 transitions. [2020-07-01 11:26:24,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 17 transitions. [2020-07-01 11:26:24,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 5. [2020-07-01 11:26:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-01 11:26:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-07-01 11:26:24,979 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 11 transitions. [2020-07-01 11:26:24,979 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 11 transitions. [2020-07-01 11:26:24,979 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 11:26:24,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 11 transitions. [2020-07-01 11:26:24,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-01 11:26:24,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:26:24,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:26:24,980 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:26:24,980 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 11:26:24,980 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRY [18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 2) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 97#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 98#L14-2 [2020-07-01 11:26:24,981 INFO L796 eck$LassoCheckResult]: Loop: 98#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 100#L14-2 [27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (= 0 (mod .cse0 2)) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 98#L14-2 [2020-07-01 11:26:24,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:24,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1549, now seen corresponding path program 2 times [2020-07-01 11:26:24,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:24,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708085388] [2020-07-01 11:26:24,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:24,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:24,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:24,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1918, now seen corresponding path program 1 times [2020-07-01 11:26:24,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:24,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7347060] [2020-07-01 11:26:24,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:25,006 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:25,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:25,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1489546, now seen corresponding path program 2 times [2020-07-01 11:26:25,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:25,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523202814] [2020-07-01 11:26:25,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:25,031 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:25,112 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:25,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:25,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:25,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:25,113 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:26:25,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:25,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:25,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:25,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 11:26:25,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:25,114 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:25,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:25,275 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:25,275 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:25,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:25,283 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:25,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:26:25,327 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:25,572 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:26:25,575 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:25,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:25,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:25,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:25,575 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:26:25,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:25,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:25,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:25,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 11:26:25,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:25,576 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:25,578 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 11:26:25,690 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:25,690 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:25,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:25,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:25,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:25,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:25,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:25,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:25,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:26:25,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:25,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:25,738 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:25,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:25,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:25,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:25,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:25,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:25,745 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:25,749 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:25,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:25,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 11:26:25,761 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 11:26:25,761 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:25,766 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 11:26:25,766 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 11:26:25,766 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 11:26:25,767 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 6*ULTIMATE.start_main_~x~0 - 12*ULTIMATE.start_main_~y~0 + 9 f1 = 8*ULTIMATE.start_main_~y~0 + 11 Supporting invariants [] [2020-07-01 11:26:25,797 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 11:26:25,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:26:25,823 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 11:26:25,823 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:26:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:26:25,831 WARN L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-01 11:26:25,831 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 11:26:25,844 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 11:26:25,846 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 11:26:25,851 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-01 11:26:25,853 INFO L477 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-01 11:26:25,997 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 11:26:36,196 INFO L98 LoopCannibalizer]: 6 predicates before loop cannibalization 6 predicates after loop cannibalization [2020-07-01 11:26:36,197 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2020-07-01 11:26:36,197 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 11 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-07-01 11:26:36,328 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 11 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 19 states and 48 transitions. Complement of second has 8 states. [2020-07-01 11:26:36,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 11:26:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 11:26:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2020-07-01 11:26:36,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 11:26:36,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:36,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-01 11:26:36,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:36,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-01 11:26:36,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 11:26:36,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 48 transitions. [2020-07-01 11:26:36,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-01 11:26:36,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 48 transitions. [2020-07-01 11:26:36,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-07-01 11:26:36,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-07-01 11:26:36,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 48 transitions. [2020-07-01 11:26:36,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 11:26:36,337 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 48 transitions. [2020-07-01 11:26:36,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 48 transitions. [2020-07-01 11:26:36,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 7. [2020-07-01 11:26:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-01 11:26:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2020-07-01 11:26:36,339 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 20 transitions. [2020-07-01 11:26:36,339 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 20 transitions. [2020-07-01 11:26:36,339 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-01 11:26:36,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 20 transitions. [2020-07-01 11:26:36,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:26:36,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:26:36,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:26:36,342 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1] [2020-07-01 11:26:36,342 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:26:36,343 INFO L794 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY [18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 2) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 166#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 171#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 167#L14-2 [2020-07-01 11:26:36,343 INFO L796 eck$LassoCheckResult]: Loop: 167#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 167#L14-2 [2020-07-01 11:26:36,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:36,343 INFO L82 PathProgramCache]: Analyzing trace with hash 48049, now seen corresponding path program 3 times [2020-07-01 11:26:36,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:36,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369970079] [2020-07-01 11:26:36,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:36,366 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:36,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:36,367 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times [2020-07-01 11:26:36,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:36,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603728967] [2020-07-01 11:26:36,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:36,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:36,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:36,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1489549, now seen corresponding path program 4 times [2020-07-01 11:26:36,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:36,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791093962] [2020-07-01 11:26:36,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:36,403 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:36,471 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:36,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:36,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:36,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:36,471 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:26:36,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:36,472 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:36,472 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:36,472 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-07-01 11:26:36,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:36,472 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:36,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:36,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:36,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:36,556 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:36,556 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:36,562 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:36,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:36,566 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:26:36,567 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:36,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:36,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:36,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:26:36,605 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:36,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:36,640 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:36,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:26:36,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:36,721 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:26:36,723 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:36,723 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:36,723 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:36,723 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:36,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:26:36,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:36,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:36,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:36,724 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-07-01 11:26:36,724 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:36,724 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:36,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:36,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:36,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:36,796 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:36,796 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:36,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:36,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:36,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:36,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:36,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:36,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:36,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:26:36,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:36,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:36,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:36,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:36,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:36,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:36,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:36,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:26:36,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:26:36,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:36,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:36,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:36,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:36,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:36,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:36,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:36,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:26:36,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:36,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:36,928 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:36,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:36,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:36,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:36,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:36,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:36,936 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:36,937 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:36,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:36,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:36,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:36,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:36,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:36,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:36,976 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:36,983 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:26:36,983 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:26:36,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:37,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,031 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:37,031 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:37,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,033 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:37,062 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-01 11:26:37,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:37,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,071 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,072 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:37,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:37,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,111 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,119 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:26:37,119 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:26:37,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:37,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,167 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,168 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:37,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:37,199 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /export/starexec/sandbox2/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 11:26:37,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:37,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,206 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:37,206 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:37,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:37,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,244 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:37,254 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:26:37,254 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:26:37,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:37,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,307 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:37,308 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:37,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:37,339 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /export/starexec/sandbox2/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 11:26:37,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,345 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,346 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:37,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,346 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:37,347 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:37,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,384 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,385 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:37,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,385 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:37,392 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:26:37,392 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:26:37,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,441 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:37,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,441 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:37,442 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:37,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:37,474 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,480 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:26:37,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,482 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:37,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,521 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:26:37,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,521 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,529 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:26:37,529 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:26:37,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,585 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,585 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:26:37,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,585 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,587 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:37,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:37,619 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,626 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,626 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:37,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,627 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:37,628 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:37,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,668 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:37,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,669 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:37,679 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:26:37,680 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:26:37,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,747 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:37,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,747 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:37,749 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:37,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:37,787 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:37,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,794 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,794 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:37,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,795 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,796 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:37,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,834 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,834 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:37,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,840 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:26:37,841 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:26:37,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,890 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,890 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:37,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,891 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:37,892 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:37,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:37,923 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox2/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 11:26:37,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,929 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,929 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:37,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:37,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,930 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:26:37,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:26:37,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:37,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:37,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:37,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:37,970 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:37,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:37,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:37,971 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:26:37,980 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 11:26:37,980 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 11:26:38,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:38,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:38,049 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:38,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,050 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:26:38,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:26:38,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:38,083 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-07-01 11:26:38,084 INFO L794 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY [18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 2) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 166#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 171#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 167#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 167#L14-2 [2020-07-01 11:26:38,084 INFO L796 eck$LassoCheckResult]: Loop: 167#L14-2 [30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 167#L14-2 [2020-07-01 11:26:38,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:38,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1489549, now seen corresponding path program 5 times [2020-07-01 11:26:38,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:38,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712922491] [2020-07-01 11:26:38,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:38,105 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:38,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:38,105 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 2 times [2020-07-01 11:26:38,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:38,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851236508] [2020-07-01 11:26:38,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:38,111 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:38,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:26:38,111 INFO L82 PathProgramCache]: Analyzing trace with hash 46176049, now seen corresponding path program 6 times [2020-07-01 11:26:38,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:26:38,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480375774] [2020-07-01 11:26:38,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:26:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:26:38,135 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:26:38,209 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:38,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:38,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:38,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:38,209 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:26:38,210 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:38,210 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:38,210 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:38,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-07-01 11:26:38,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:38,210 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:38,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:38,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:38,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:38,268 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:38,269 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:38,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:38,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:38,276 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:26:38,276 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:38,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:26:38,308 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:26:38,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:26:38,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:26:38,385 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:26:38,387 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:26:38,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:26:38,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:26:38,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:26:38,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:26:38,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:38,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:26:38,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:26:38,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-07-01 11:26:38,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:26:38,388 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:26:38,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:38,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:38,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 11:26:38,449 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:26:38,449 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/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 11:26:38,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:38,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:26:38,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:38,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:38,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:26:38,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:26:38,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:38,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:26:38,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:26:38,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:38,569 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/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 11:26:38,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,575 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:38,576 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:38,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:38,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,614 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:38,618 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:26:38,618 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:26:38,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:38,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,662 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:38,663 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:38,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:38,693 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox2/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 11:26:38,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,700 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:38,700 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:38,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:38,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,737 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:38,743 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:26:38,743 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:26:38,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 11:26:38,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,791 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:38,791 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:38,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:38,822 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /export/starexec/sandbox2/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 11:26:38,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,829 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:38,830 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:38,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:38,864 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 11:26:38,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,867 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:38,876 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:26:38,876 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:26:38,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:38,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:26:38,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,928 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:38,929 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:38,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:38,960 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:38,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:38,966 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:38,966 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:38,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:38,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:38,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:38,967 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:38,968 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:38,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:38,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,007 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,007 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:39,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,007 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:39,013 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:26:39,013 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:26:39,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,063 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,063 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:39,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,063 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:26:39,064 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:26:39,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:39,096 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,102 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,102 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:26:39,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,103 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:39,104 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:39,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,142 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,142 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:26:39,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,142 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:39,148 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:26:39,149 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:26:39,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,202 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,202 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:26:39,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,203 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:39,203 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:39,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:39,235 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,242 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:39,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,243 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:39,244 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:39,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,284 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,284 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:39,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,284 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:39,292 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:26:39,293 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:26:39,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,357 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,357 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:39,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,357 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:26:39,358 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:26:39,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:39,392 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,396 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 11:26:39,398 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,398 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:39,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,399 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:39,399 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:39,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,437 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:39,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,438 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:39,444 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:26:39,444 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:26:39,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,495 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,495 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:26:39,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,496 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:26:39,497 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:26:39,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:39,528 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,535 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,535 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:39,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,536 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:26:39,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:26:39,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,576 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:39,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,577 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:26:39,586 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 11:26:39,586 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 11:26:39,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:26:39,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 11:26:39,644 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:26:39,644 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:26:39,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:26:39,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:26:39,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:26:39,645 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:26:39,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:26:39,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:26:39,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:26:39,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:26:39 BasicIcfg [2020-07-01 11:26:39,686 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 11:26:39,688 INFO L168 Benchmark]: Toolchain (without parser) took 17634.13 ms. Allocated memory was 514.9 MB in the beginning and 635.4 MB in the end (delta: 120.6 MB). Free memory was 439.2 MB in the beginning and 410.2 MB in the end (delta: 29.0 MB). Peak memory consumption was 149.6 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,689 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 11:26:39,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.48 ms. Allocated memory was 514.9 MB in the beginning and 562.0 MB in the end (delta: 47.2 MB). Free memory was 439.2 MB in the beginning and 529.5 MB in the end (delta: -90.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.17 ms. Allocated memory is still 562.0 MB. Free memory was 529.5 MB in the beginning and 527.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,690 INFO L168 Benchmark]: Boogie Preprocessor took 19.69 ms. Allocated memory is still 562.0 MB. Free memory was 527.9 MB in the beginning and 526.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,690 INFO L168 Benchmark]: RCFGBuilder took 218.35 ms. Allocated memory is still 562.0 MB. Free memory was 526.8 MB in the beginning and 515.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,691 INFO L168 Benchmark]: BlockEncodingV2 took 76.97 ms. Allocated memory is still 562.0 MB. Free memory was 515.8 MB in the beginning and 510.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,691 INFO L168 Benchmark]: TraceAbstraction took 143.27 ms. Allocated memory is still 562.0 MB. Free memory was 509.8 MB in the beginning and 501.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,692 INFO L168 Benchmark]: BuchiAutomizer took 16842.90 ms. Allocated memory was 562.0 MB in the beginning and 635.4 MB in the end (delta: 73.4 MB). Free memory was 501.0 MB in the beginning and 410.2 MB in the end (delta: 90.8 MB). Peak memory consumption was 164.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:26:39,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 2 locations, 5 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 292.48 ms. Allocated memory was 514.9 MB in the beginning and 562.0 MB in the end (delta: 47.2 MB). Free memory was 439.2 MB in the beginning and 529.5 MB in the end (delta: -90.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.17 ms. Allocated memory is still 562.0 MB. Free memory was 529.5 MB in the beginning and 527.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.69 ms. Allocated memory is still 562.0 MB. Free memory was 527.9 MB in the beginning and 526.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 218.35 ms. Allocated memory is still 562.0 MB. Free memory was 526.8 MB in the beginning and 515.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.97 ms. Allocated memory is still 562.0 MB. Free memory was 515.8 MB in the beginning and 510.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 143.27 ms. Allocated memory is still 562.0 MB. Free memory was 509.8 MB in the beginning and 501.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 16842.90 ms. Allocated memory was 562.0 MB in the beginning and 635.4 MB in the end (delta: 73.4 MB). Free memory was 501.0 MB in the beginning and 410.2 MB in the end (delta: 90.8 MB). Peak memory consumption was 164.2 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 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 - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic) and one module whose termination is unknown.One nondeterministic module has 2-nested ranking function (if 2 * x + -4 * y + 1 > 0 then 1 else 0), (if 2 * x + -4 * y + 1 > 0 then 2 * x + -4 * y + 1 else 4 * x + 1) and consists of 4 locations. One nondeterministic module has 2-nested ranking function (if -4 * y + 2 * x + 1 > 0 then 1 else 0), (if -4 * y + 2 * x + 1 > 0 then -4 * y + 2 * x + 1 else 4 * x + 1) and consists of 3 locations. One nondeterministic module has 2-nested ranking function (if 6 * x + -12 * y + 9 > 0 then 1 else 0), (if 6 * x + -12 * y + 9 > 0 then 6 * x + -12 * y + 9 else 8 * y + 11) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 5.8s. Construction of modules took 0.1s. Büchi inclusion checks took 10.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 4 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 45 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax100 hnf94 lsp100 ukn100 mio100 lsp100 div357 bol100 ite100 ukn100 eq126 hnf46 smp78 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 39ms VariablesStem: 2 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 2) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" "[30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" "[30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" "[30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" Loop: "[30] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_5 1))) (and (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_5 (- 1)))) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= (div .cse0 2) v_ULTIMATE.start_main_~y~0_4) (>= .cse0 0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" RESULT: Ultimate could not prove your program: unable to determine termination !SESSION 2020-07-01 11:26:18.783 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_DP2qiB/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:26:39.929 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check