/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:05:05,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:05:05,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:05:05,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:05:05,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:05:05,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:05:05,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:05:05,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:05:05,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:05:05,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:05:05,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:05:05,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:05:05,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:05:05,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:05:05,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:05:05,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:05:05,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:05:05,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:05:05,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:05:05,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:05:06,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:05:06,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:05:06,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:05:06,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:05:06,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:05:06,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:05:06,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:05:06,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:05:06,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:05:06,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:05:06,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:05:06,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:05:06,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:05:06,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:05:06,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:05:06,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:05:06,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:05:06,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:05:06,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:05:06,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:05:06,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:05:06,014 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:05:06,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:05:06,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:05:06,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:05:06,029 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:05:06,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:05:06,030 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:05:06,030 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:05:06,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:05:06,030 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:05:06,030 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:05:06,031 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:05:06,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:05:06,031 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:05:06,031 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:05:06,031 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:06,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:05:06,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:05:06,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:05:06,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:05:06,032 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:05:06,032 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:05:06,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:05:06,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:05:06,033 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:05:06,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:05:06,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:05:06,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:05:06,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:05:06,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:05:06,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:05:06,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:05:06,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:05:06,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:05:06,215 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:05:06,215 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:05:06,321 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run__sYrcm/tmp/6e412c8625f8464d9df782dc8d8dda58/FLAGa36946335 [2020-07-01 12:05:06,688 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:05:06,689 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:05:06,696 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run__sYrcm/tmp/6e412c8625f8464d9df782dc8d8dda58/FLAGa36946335 [2020-07-01 12:05:07,095 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run__sYrcm/tmp/6e412c8625f8464d9df782dc8d8dda58 [2020-07-01 12:05:07,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:05:07,107 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:05:07,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:05:07,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:05:07,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:05:07,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce356a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:05:07,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:05:07,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:05:07,376 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:05:07,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:05:07,408 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:05:07,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07 WrapperNode [2020-07-01 12:05:07,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:05:07,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:05:07,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:05:07,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:05:07,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:05:07,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:05:07,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:05:07,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:05:07,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:05:07,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:05:07,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:05:07,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:05:07,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:05:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2020-07-01 12:05:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2020-07-01 12:05:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:05:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:05:07,726 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:05:07,727 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 12:05:07,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:05:07 BoogieIcfgContainer [2020-07-01 12:05:07,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:05:07,731 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:05:07,731 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:05:07,733 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:05:07,734 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:05:07" (1/1) ... [2020-07-01 12:05:07,749 INFO L313 BlockEncoder]: Initial Icfg 20 locations, 27 edges [2020-07-01 12:05:07,750 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:05:07,751 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:05:07,752 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:05:07,752 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:05:07,753 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:05:07,754 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:05:07,755 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:05:07,771 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:05:07,788 INFO L200 BlockEncoder]: SBE split 3 edges [2020-07-01 12:05:07,793 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:05:07,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:05:07,803 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 12:05:07,806 INFO L70 RemoveSinkStates]: Removed 9 edges and 5 locations by removing sink states [2020-07-01 12:05:07,807 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:05:07,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:05:07,815 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 12:05:07,815 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:05:07,816 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:05:07,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:05:07,816 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:05:07,817 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:05:07,817 INFO L313 BlockEncoder]: Encoded RCFG 12 locations, 18 edges [2020-07-01 12:05:07,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:05:07 BasicIcfg [2020-07-01 12:05:07,818 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:05:07,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:05:07,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:05:07,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:05:07,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:05:07" (1/4) ... [2020-07-01 12:05:07,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad86088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (2/4) ... [2020-07-01 12:05:07,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad86088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:05:07" (3/4) ... [2020-07-01 12:05:07,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad86088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:05:07" (4/4) ... [2020-07-01 12:05:07,827 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:05:07,839 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:05:07,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:05:07,860 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:05:07,883 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:05:07,883 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:05:07,883 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:05:07,884 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:05:07,884 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:05:07,884 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:05:07,884 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:05:07,884 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:05:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-01 12:05:07,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:05:07,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-07-01 12:05:07,980 INFO L268 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-07-01 12:05:07,980 INFO L268 CegarLoopResult]: For program point gcdFINAL(lines 15 26) no Hoare annotation was computed. [2020-07-01 12:05:07,980 INFO L268 CegarLoopResult]: For program point gcdEXIT(lines 15 26) no Hoare annotation was computed. [2020-07-01 12:05:07,980 INFO L271 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-07-01 12:05:07,981 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-07-01 12:05:07,981 INFO L271 CegarLoopResult]: At program point gcdENTRY(lines 15 26) the Hoare annotation is: true [2020-07-01 12:05:07,981 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-01 12:05:07,981 INFO L268 CegarLoopResult]: For program point L22(lines 22 24) no Hoare annotation was computed. [2020-07-01 12:05:07,981 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-07-01 12:05:07,982 INFO L268 CegarLoopResult]: For program point L19(lines 19 21) no Hoare annotation was computed. [2020-07-01 12:05:07,982 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:05:07,982 INFO L271 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: true [2020-07-01 12:05:07,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:05:07 BasicIcfg [2020-07-01 12:05:07,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:05:07,986 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:05:07,987 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:05:07,990 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:05:07,991 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:05:07,991 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:05:07" (1/5) ... [2020-07-01 12:05:07,992 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c2c0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:05:07,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:05:07" (2/5) ... [2020-07-01 12:05:07,993 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c2c0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:05:07,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:05:07" (3/5) ... [2020-07-01 12:05:07,993 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c2c0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:05:07,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:05:07" (4/5) ... [2020-07-01 12:05:07,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60c2c0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:05:07, skipping insertion in model container [2020-07-01 12:05:07,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:05:07,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:05:07" (5/5) ... [2020-07-01 12:05:07,996 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:05:08,023 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:05:08,023 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:05:08,023 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:05:08,023 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:05:08,024 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:05:08,024 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:05:08,024 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:05:08,024 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:05:08,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 12:05:08,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 12:05:08,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:05:08,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:05:08,055 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:05:08,056 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 12:05:08,056 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:05:08,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-01 12:05:08,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 12:05:08,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:05:08,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:05:08,058 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:05:08,058 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 12:05:08,063 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue [90] ULTIMATE.startENTRY-->L37: Formula: (and (< 0 v_ULTIMATE.start_main_~n~0_11) (< 0 v_ULTIMATE.start_main_~m~0_11)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_11, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_#t~ret4] 4#L37true [50] L37-->gcdENTRY: Formula: (and (= |v_gcd_#in~y1InParam_3| v_ULTIMATE.start_main_~m~0_9) (= |v_gcd_#in~y2InParam_3| v_ULTIMATE.start_main_~n~0_8)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_9} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_3|, gcd_#in~y2=|v_gcd_#in~y2InParam_3|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 5#gcdENTRYtrue [2020-07-01 12:05:08,064 INFO L796 eck$LassoCheckResult]: Loop: 5#gcdENTRYtrue [49] gcdENTRY-->L16: Formula: (and (= v_gcd_~y1_1 |v_gcd_#in~y1_1|) (= v_gcd_~y2_1 |v_gcd_#in~y2_1|)) InVars {gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} OutVars{gcd_~y2=v_gcd_~y2_1, gcd_~y1=v_gcd_~y1_1, gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} AuxVars[] AssignedVars[gcd_~y2, gcd_~y1] 12#L16true [77] L16-->L19: Formula: (and (> v_gcd_~y2_3 0) (> v_gcd_~y1_3 0)) InVars {gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} OutVars{gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} AuxVars[] AssignedVars[] 8#L19true [83] L19-->L22: Formula: (< v_gcd_~y2_5 v_gcd_~y1_5) InVars {gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} OutVars{gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} AuxVars[] AssignedVars[] 13#L22true [59] L22-->L23: Formula: (< v_gcd_~y2_6 v_gcd_~y1_6) InVars {gcd_~y2=v_gcd_~y2_6, gcd_~y1=v_gcd_~y1_6} OutVars{gcd_~y2=v_gcd_~y2_6, gcd_~y1=v_gcd_~y1_6} AuxVars[] AssignedVars[] 3#L23true [48] L23-->gcdENTRY: Formula: (and (= |v_gcd_#in~y2InParam_1| v_gcd_~y2_10) (= |v_gcd_#in~y1InParam_1| (+ (* v_gcd_~y2_10 (- 1)) v_gcd_~y1_10))) InVars {gcd_~y2=v_gcd_~y2_10, gcd_~y1=v_gcd_~y1_10} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_1|, gcd_#in~y2=|v_gcd_#in~y2InParam_1|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 5#gcdENTRYtrue [2020-07-01 12:05:08,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:08,071 INFO L82 PathProgramCache]: Analyzing trace with hash 3801, now seen corresponding path program 1 times [2020-07-01 12:05:08,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:05:08,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871884456] [2020-07-01 12:05:08,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:05:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:08,158 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:05:08,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:08,159 INFO L82 PathProgramCache]: Analyzing trace with hash 76257227, now seen corresponding path program 1 times [2020-07-01 12:05:08,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:05:08,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212052401] [2020-07-01 12:05:08,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:05:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:08,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:05:08,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:08,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1492848627, now seen corresponding path program 1 times [2020-07-01 12:05:08,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:05:08,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553475504] [2020-07-01 12:05:08,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:05:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:08,198 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:05:08,326 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:05:08,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:05:08,327 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:05:08,327 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:05:08,327 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:05:08,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:08,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:05:08,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:05:08,328 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:05:08,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:05:08,328 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:05:08,343 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 12:05:08,351 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 12:05:08,365 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 12:05:08,369 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 12:05:08,372 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 12:05:08,376 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 12:05:08,447 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:05:08,448 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:08,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:05:08,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:05:08,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:05:08,466 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:08,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:05:08,499 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:08,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:05:08,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:05:08,614 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:05:08,617 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:05:08,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:05:08,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:05:08,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:05:08,618 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:05:08,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:05:08,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:05:08,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:05:08,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:05:08,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:05:08,618 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:05:08,620 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 12:05:08,623 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 12:05:08,626 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 12:05:08,639 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 12:05:08,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:05:08,645 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 12:05:08,698 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:05:08,704 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/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 12:05:08,709 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 12:05:08,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:05:08,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:05:08,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:05:08,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:05:08,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:05:08,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:05:08,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:05:08,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 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 12:05:08,751 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 12:05:08,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:05:08,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:05:08,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:05:08,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:05:08,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:05:08,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:05:08,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:05:08,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:05:08,788 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 12:05:08,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:05:08,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:05:08,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:05:08,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:05:08,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:05:08,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:05:08,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:05:08,797 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:05:08,803 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 12:05:08,803 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:05:08,809 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:05:08,809 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:05:08,810 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:05:08,810 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y1) = 1*gcd_#in~y1 Supporting invariants [] [2020-07-01 12:05:08,844 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:05:08,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:05:08,900 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:05:08,902 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:05:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:05:08,925 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-01 12:05:08,926 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:05:08,969 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 12:05:09,006 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization [2020-07-01 12:05:09,011 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-07-01 12:05:09,013 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states. Second operand 5 states. [2020-07-01 12:05:09,312 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states.. Second operand 5 states. Result 148 states and 224 transitions. Complement of second has 46 states. [2020-07-01 12:05:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2020-07-01 12:05:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-01 12:05:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 69 transitions. [2020-07-01 12:05:09,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 69 transitions. Stem has 2 letters. Loop has 5 letters. [2020-07-01 12:05:09,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:05:09,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 69 transitions. Stem has 7 letters. Loop has 5 letters. [2020-07-01 12:05:09,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:05:09,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 69 transitions. Stem has 2 letters. Loop has 10 letters. [2020-07-01 12:05:09,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:05:09,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 224 transitions. [2020-07-01 12:05:09,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 12:05:09,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 36 states and 44 transitions. [2020-07-01 12:05:09,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-07-01 12:05:09,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2020-07-01 12:05:09,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 44 transitions. [2020-07-01 12:05:09,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:05:09,371 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2020-07-01 12:05:09,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 44 transitions. [2020-07-01 12:05:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 16. [2020-07-01 12:05:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-01 12:05:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2020-07-01 12:05:09,404 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-07-01 12:05:09,404 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-07-01 12:05:09,404 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:05:09,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2020-07-01 12:05:09,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 12:05:09,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:05:09,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:05:09,405 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 12:05:09,405 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 12:05:09,406 INFO L794 eck$LassoCheckResult]: Stem: 270#ULTIMATE.startENTRY [90] ULTIMATE.startENTRY-->L37: Formula: (and (< 0 v_ULTIMATE.start_main_~n~0_11) (< 0 v_ULTIMATE.start_main_~m~0_11)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_11, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_#t~ret4] 261#L37 [50] L37-->gcdENTRY: Formula: (and (= |v_gcd_#in~y1InParam_3| v_ULTIMATE.start_main_~m~0_9) (= |v_gcd_#in~y2InParam_3| v_ULTIMATE.start_main_~n~0_8)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_9} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_3|, gcd_#in~y2=|v_gcd_#in~y2InParam_3|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 269#gcdENTRY [49] gcdENTRY-->L16: Formula: (and (= v_gcd_~y1_1 |v_gcd_#in~y1_1|) (= v_gcd_~y2_1 |v_gcd_#in~y2_1|)) InVars {gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} OutVars{gcd_~y2=v_gcd_~y2_1, gcd_~y1=v_gcd_~y1_1, gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} AuxVars[] AssignedVars[gcd_~y2, gcd_~y1] 266#L16 [2020-07-01 12:05:09,406 INFO L796 eck$LassoCheckResult]: Loop: 266#L16 [77] L16-->L19: Formula: (and (> v_gcd_~y2_3 0) (> v_gcd_~y1_3 0)) InVars {gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} OutVars{gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} AuxVars[] AssignedVars[] 271#L19 [84] L19-->L22: Formula: (> v_gcd_~y2_5 v_gcd_~y1_5) InVars {gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} OutVars{gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} AuxVars[] AssignedVars[] 272#L22 [79] L22-->L25: Formula: (>= v_gcd_~y2_8 v_gcd_~y1_8) InVars {gcd_~y2=v_gcd_~y2_8, gcd_~y1=v_gcd_~y1_8} OutVars{gcd_~y2=v_gcd_~y2_8, gcd_~y1=v_gcd_~y1_8} AuxVars[] AssignedVars[] 265#L25 [54] L25-->gcdENTRY: Formula: (and (= |v_gcd_#in~y1InParam_2| v_gcd_~y1_11) (= |v_gcd_#in~y2InParam_2| (+ v_gcd_~y2_11 (* v_gcd_~y1_11 (- 1))))) InVars {gcd_~y2=v_gcd_~y2_11, gcd_~y1=v_gcd_~y1_11} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_2|, gcd_#in~y2=|v_gcd_#in~y2InParam_2|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 264#gcdENTRY [49] gcdENTRY-->L16: Formula: (and (= v_gcd_~y1_1 |v_gcd_#in~y1_1|) (= v_gcd_~y2_1 |v_gcd_#in~y2_1|)) InVars {gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} OutVars{gcd_~y2=v_gcd_~y2_1, gcd_~y1=v_gcd_~y1_1, gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} AuxVars[] AssignedVars[gcd_~y2, gcd_~y1] 266#L16 [2020-07-01 12:05:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:09,407 INFO L82 PathProgramCache]: Analyzing trace with hash 117880, now seen corresponding path program 1 times [2020-07-01 12:05:09,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:05:09,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703244220] [2020-07-01 12:05:09,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:05:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:09,419 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:05:09,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:09,420 INFO L82 PathProgramCache]: Analyzing trace with hash 102320354, now seen corresponding path program 1 times [2020-07-01 12:05:09,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:05:09,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777843800] [2020-07-01 12:05:09,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:05:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:09,435 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:05:09,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:09,436 INFO L82 PathProgramCache]: Analyzing trace with hash -966283573, now seen corresponding path program 1 times [2020-07-01 12:05:09,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:05:09,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516123294] [2020-07-01 12:05:09,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:05:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:09,456 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:05:09,547 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:05:09,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:05:09,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:05:09,548 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:05:09,548 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:05:09,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:09,548 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:05:09,548 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:05:09,548 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:05:09,548 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:05:09,548 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:05:09,551 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 12:05:09,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:05:09,579 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 12:05:09,581 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 12:05:09,645 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:05:09,645 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:09,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:05:09,650 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:05:09,693 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:05:09,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:05:11,400 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:05:11,404 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:05:11,404 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:05:11,404 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:05:11,404 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:05:11,405 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:05:11,405 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:05:11,405 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:05:11,405 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:05:11,405 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:05:11,405 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:05:11,405 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:05:11,407 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 12:05:11,420 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 12:05:11,425 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 12:05:11,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:05:11,491 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:05:11,491 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:05:11,495 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 12:05:11,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:05:11,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:05:11,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:05:11,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:05:11,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:05:11,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:05:11,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:05:11,505 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:05:11,509 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-01 12:05:11,509 INFO L444 ModelExtractionUtils]: 4 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:05:11,519 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:05:11,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:05:11,520 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:05:11,520 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y2) = 1*gcd_~y2 Supporting invariants [] [2020-07-01 12:05:11,550 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:05:11,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:05:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:05:11,574 INFO L264 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:05:11,575 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:05:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:05:11,591 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-01 12:05:11,592 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:05:11,626 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 12:05:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:05:11,720 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-01 12:05:11,721 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:05:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:05:11,783 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-01 12:05:11,784 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:05:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:05:11,851 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2020-07-01 12:05:11,851 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 9 predicates after loop cannibalization [2020-07-01 12:05:11,851 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 9 loop predicates [2020-07-01 12:05:11,852 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 5 states. [2020-07-01 12:05:11,952 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 257 states and 299 transitions. Complement of second has 85 states. [2020-07-01 12:05:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-07-01 12:05:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-01 12:05:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-07-01 12:05:11,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 3 letters. Loop has 5 letters. [2020-07-01 12:05:11,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:05:11,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 8 letters. Loop has 5 letters. [2020-07-01 12:05:11,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:05:11,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 3 letters. Loop has 10 letters. [2020-07-01 12:05:11,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:05:11,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 257 states and 299 transitions. [2020-07-01 12:05:11,965 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:05:11,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 257 states to 0 states and 0 transitions. [2020-07-01 12:05:11,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:05:11,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:05:11,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:05:11,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:05:11,966 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:05:11,966 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:05:11,966 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:05:11,967 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 12:05:11,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:05:11,967 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:05:11,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:05:11,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:05:11 BasicIcfg [2020-07-01 12:05:11,973 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:05:11,975 INFO L168 Benchmark]: Toolchain (without parser) took 4867.44 ms. Allocated memory was 649.6 MB in the beginning and 754.5 MB in the end (delta: 104.9 MB). Free memory was 562.9 MB in the beginning and 647.2 MB in the end (delta: -84.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,976 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.1 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:05:11,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.99 ms. Allocated memory was 649.6 MB in the beginning and 692.1 MB in the end (delta: 42.5 MB). Free memory was 561.5 MB in the beginning and 656.6 MB in the end (delta: -95.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.39 ms. Allocated memory is still 692.1 MB. Free memory was 656.6 MB in the beginning and 653.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,978 INFO L168 Benchmark]: Boogie Preprocessor took 18.57 ms. Allocated memory is still 692.1 MB. Free memory was 653.9 MB in the beginning and 652.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,978 INFO L168 Benchmark]: RCFGBuilder took 266.37 ms. Allocated memory is still 692.1 MB. Free memory was 652.5 MB in the beginning and 635.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,979 INFO L168 Benchmark]: BlockEncodingV2 took 86.82 ms. Allocated memory is still 692.1 MB. Free memory was 635.8 MB in the beginning and 629.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,980 INFO L168 Benchmark]: TraceAbstraction took 166.81 ms. Allocated memory is still 692.1 MB. Free memory was 629.1 MB in the beginning and 618.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,980 INFO L168 Benchmark]: BuchiAutomizer took 3986.67 ms. Allocated memory was 692.1 MB in the beginning and 754.5 MB in the end (delta: 62.4 MB). Free memory was 618.3 MB in the beginning and 647.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:05:11,984 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 20 locations, 27 edges - StatisticsResult: Encoded RCFG 12 locations, 18 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.1 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 300.99 ms. Allocated memory was 649.6 MB in the beginning and 692.1 MB in the end (delta: 42.5 MB). Free memory was 561.5 MB in the beginning and 656.6 MB in the end (delta: -95.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.39 ms. Allocated memory is still 692.1 MB. Free memory was 656.6 MB in the beginning and 653.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.57 ms. Allocated memory is still 692.1 MB. Free memory was 653.9 MB in the beginning and 652.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 266.37 ms. Allocated memory is still 692.1 MB. Free memory was 652.5 MB in the beginning and 635.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 86.82 ms. Allocated memory is still 692.1 MB. Free memory was 635.8 MB in the beginning and 629.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. * TraceAbstraction took 166.81 ms. Allocated memory is still 692.1 MB. Free memory was 629.1 MB in the beginning and 618.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3986.67 ms. Allocated memory was 692.1 MB in the beginning and 754.5 MB in the end (delta: 62.4 MB). Free memory was 618.3 MB in the beginning and 647.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 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=12occurred 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, 4 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 4 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function \old(y1) and consists of 10 locations. One nondeterministic module has affine ranking function y2 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 79 SDslu, 25 SDs, 0 SdLazy, 125 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf91 smp100 dnf100 smp100 tf106 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 12:05:03.779 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run__sYrcm/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:05:12.218 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check