/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:49:06,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:49:06,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:49:06,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:49:06,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:49:06,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:49:06,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:49:06,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:49:06,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:49:06,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:49:06,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:49:06,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:49:06,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:49:06,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:49:06,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:49:06,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:49:06,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:49:06,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:49:06,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:49:06,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:49:06,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:49:06,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:49:06,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:49:06,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:49:06,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:49:06,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:49:06,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:49:06,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:49:06,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:49:06,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:49:06,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:49:06,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:49:06,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:49:06,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:49:06,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:49:06,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:49:06,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:49:06,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:49:06,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:49:06,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:49:06,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:49:06,709 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:49:06,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:49:06,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:49:06,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:49:06,725 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:49:06,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:49:06,725 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:49:06,725 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:49:06,726 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:49:06,726 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:49:06,726 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:49:06,726 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:49:06,726 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:49:06,727 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:49:06,727 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:49:06,727 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:49:06,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:49:06,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:49:06,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:49:06,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:49:06,728 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:49:06,728 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:49:06,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:49:06,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:49:06,729 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:49:06,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:49:06,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:49:06,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:49:06,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:49:06,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:49:06,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:49:06,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:49:06,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:49:06,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:49:06,910 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:49:06,911 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:49:07,008 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_FG6aVH/tmp/6499209205374d22903cf011613ab2a9/FLAG9ff360db7 [2020-07-01 10:49:07,345 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:49:07,346 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:49:07,352 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_FG6aVH/tmp/6499209205374d22903cf011613ab2a9/FLAG9ff360db7 [2020-07-01 10:49:07,759 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_FG6aVH/tmp/6499209205374d22903cf011613ab2a9 [2020-07-01 10:49:07,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:49:07,772 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:49:07,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:49:07,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:49:07,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:49:07,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:49:07" (1/1) ... [2020-07-01 10:49:07,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6897646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:07, skipping insertion in model container [2020-07-01 10:49:07,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:49:07" (1/1) ... [2020-07-01 10:49:07,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:49:07,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:49:08,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:49:08,024 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:49:08,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:49:08,053 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:49:08,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08 WrapperNode [2020-07-01 10:49:08,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:49:08,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:49:08,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:49:08,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:49:08,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:49:08,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:49:08,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:49:08,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:49:08,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:49:08,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:49:08,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:49:08,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:49:08,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (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 10:49:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:49:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:49:08,308 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:49:08,308 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 10:49:08,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:08 BoogieIcfgContainer [2020-07-01 10:49:08,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:49:08,312 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:49:08,312 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:49:08,314 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:49:08,315 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:08" (1/1) ... [2020-07-01 10:49:08,327 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-07-01 10:49:08,329 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:49:08,330 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:49:08,331 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:49:08,331 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:49:08,333 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:49:08,333 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:49:08,334 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:49:08,347 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:49:08,353 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 10:49:08,359 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:49:08,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:49:08,373 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:49:08,375 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 10:49:08,376 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:49:08,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:49:08,377 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:49:08,377 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:49:08,377 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-07-01 10:49:08,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:49:08 BasicIcfg [2020-07-01 10:49:08,378 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:49:08,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:49:08,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:49:08,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:49:08,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:49:07" (1/4) ... [2020-07-01 10:49:08,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f90daf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:49:08, skipping insertion in model container [2020-07-01 10:49:08,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (2/4) ... [2020-07-01 10:49:08,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f90daf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:49:08, skipping insertion in model container [2020-07-01 10:49:08,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:08" (3/4) ... [2020-07-01 10:49:08,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f90daf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:49:08, skipping insertion in model container [2020-07-01 10:49:08,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:49:08" (4/4) ... [2020-07-01 10:49:08,387 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:49:08,397 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:49:08,404 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:49:08,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:49:08,441 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:49:08,442 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:49:08,442 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:49:08,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:49:08,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:49:08,442 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:49:08,443 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:49:08,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:49:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 10:49:08,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:49:08,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 10:49:08,516 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:49:08,516 INFO L271 CegarLoopResult]: At program point L20-2(lines 20 24) the Hoare annotation is: true [2020-07-01 10:49:08,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:49:08 BasicIcfg [2020-07-01 10:49:08,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:49:08,525 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:49:08,525 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:49:08,528 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:49:08,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:08,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:49:07" (1/5) ... [2020-07-01 10:49:08,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1345d6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:49:08, skipping insertion in model container [2020-07-01 10:49:08,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:08,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:49:08" (2/5) ... [2020-07-01 10:49:08,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1345d6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:49:08, skipping insertion in model container [2020-07-01 10:49:08,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:08,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:49:08" (3/5) ... [2020-07-01 10:49:08,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1345d6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:49:08, skipping insertion in model container [2020-07-01 10:49:08,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:08,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:49:08" (4/5) ... [2020-07-01 10:49:08,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1345d6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:49:08, skipping insertion in model container [2020-07-01 10:49:08,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:49:08,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:49:08" (5/5) ... [2020-07-01 10:49:08,534 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:49:08,563 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:49:08,563 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:49:08,563 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:49:08,564 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:49:08,564 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:49:08,564 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:49:08,564 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:49:08,564 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:49:08,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 10:49:08,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 10:49:08,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:49:08,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:49:08,591 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:49:08,591 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:49:08,592 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:49:08,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 10:49:08,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 10:49:08,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:49:08,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:49:08,593 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:49:08,593 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:49:08,598 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_1 12) (= v_ULTIMATE.start_main_~y~0_1 0) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L20-2true [2020-07-01 10:49:08,598 INFO L796 eck$LassoCheckResult]: Loop: 4#L20-2true [22] L20-2-->L20-2: Formula: (and (< 0 v_ULTIMATE.start_main_~z~0_8) (= v_ULTIMATE.start_main_~y~0_6 (+ v_ULTIMATE.start_main_~y~0_7 (- 1))) (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 1)) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L20-2true [2020-07-01 10:49:08,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:49:08,605 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2020-07-01 10:49:08,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:49:08,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244469639] [2020-07-01 10:49:08,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:49:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:08,690 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:49:08,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:49:08,691 INFO L82 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times [2020-07-01 10:49:08,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:49:08,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546441561] [2020-07-01 10:49:08,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:49:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:08,709 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:49:08,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:49:08,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times [2020-07-01 10:49:08,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:49:08,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892538906] [2020-07-01 10:49:08,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:49:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:49:08,726 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:49:08,777 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:49:08,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:49:08,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:49:08,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:49:08,778 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 10:49:08,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:49:08,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:49:08,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:49:08,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 10:49:08,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:49:08,779 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:49:08,798 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 10:49:08,810 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 10:49:08,814 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 10:49:08,822 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 10:49:08,828 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 10:49:08,934 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:49:08,935 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 10:49:08,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:49:08,942 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 10:49:08,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 10:49:08,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:49:09,006 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:49:09,006 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 10, 6] Nus: [1, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:49:09,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:49:09,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:49:09,044 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:49:09,044 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:49:09,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:49:09,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:49:09,081 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:49:09,081 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:49:09,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:49:09,113 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 10:49:09,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 10:49:09,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:49:09,165 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 10:49:09,165 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [10, 1, 1] Nus: [0, 0] 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 10:49:09,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 10:49:09,197 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:49:09,232 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 10:49:09,232 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 10:49:09,269 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 10:49:09,271 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 10:49:09,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 10:49:09,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 10:49:09,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 10:49:09,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 10:49:09,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:49:09,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 10:49:09,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 10:49:09,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 10:49:09,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 10:49:09,272 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 10:49:09,274 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 10:49:09,279 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 10:49:09,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 10:49:09,290 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 10:49:09,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 10:49:09,372 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 10:49:09,378 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:49:09,383 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 10:49:09,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:49:09,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:49:09,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:49:09,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:49:09,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:49:09,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 10:49:09,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:49:09,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:49:09,427 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 10:49:09,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:49:09,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:49:09,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:49:09,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:49:09,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 10:49:09,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 10:49:09,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:49:09,489 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 10:49:09,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:49:09,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:49:09,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:49:09,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:49:09,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 10:49:09,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 10:49:09,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:49:09,532 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 10:49:09,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:49:09,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:49:09,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:49:09,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:49:09,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:49:09,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 10:49:09,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:49:09,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 10:49:09,570 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 10:49:09,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 10:49:09,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 10:49:09,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 10:49:09,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 10:49:09,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 10:49:09,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 10:49:09,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 10:49:09,578 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 10:49:09,592 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 10:49:09,593 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 10:49:09,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 10:49:09,602 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 10:49:09,602 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 10:49:09,603 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2020-07-01 10:49:09,637 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 10:49:09,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:49:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:49:09,675 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 10:49:09,676 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 10:49:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:49:09,689 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 10:49:09,689 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 10:49:09,690 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 10:49:09,702 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 10:49:09,707 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 1 loop predicates [2020-07-01 10:49:09,709 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. [2020-07-01 10:49:09,728 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. [2020-07-01 10:49:09,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-01 10:49:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-01 10:49:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. [2020-07-01 10:49:09,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-01 10:49:09,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:49:09,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-01 10:49:09,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:49:09,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 10:49:09,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 10:49:09,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. [2020-07-01 10:49:09,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 10:49:09,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2020-07-01 10:49:09,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 10:49:09,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 10:49:09,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 10:49:09,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 10:49:09,745 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 10:49:09,745 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 10:49:09,745 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 10:49:09,745 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 10:49:09,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 10:49:09,745 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 10:49:09,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 10:49:09,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:49:09 BasicIcfg [2020-07-01 10:49:09,752 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 10:49:09,754 INFO L168 Benchmark]: Toolchain (without parser) took 1981.44 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 562.8 MB in the beginning and 489.6 MB in the end (delta: 73.2 MB). Peak memory consumption was 103.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,755 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:49:09,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.36 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 562.8 MB in the beginning and 643.9 MB in the end (delta: -81.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.80 ms. Allocated memory is still 679.5 MB. Free memory was 643.9 MB in the beginning and 642.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,757 INFO L168 Benchmark]: Boogie Preprocessor took 18.55 ms. Allocated memory is still 679.5 MB. Free memory was 642.5 MB in the beginning and 641.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,757 INFO L168 Benchmark]: RCFGBuilder took 205.20 ms. Allocated memory is still 679.5 MB. Free memory was 641.2 MB in the beginning and 626.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,758 INFO L168 Benchmark]: BlockEncodingV2 took 66.00 ms. Allocated memory is still 679.5 MB. Free memory was 626.9 MB in the beginning and 622.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,758 INFO L168 Benchmark]: TraceAbstraction took 144.73 ms. Allocated memory is still 679.5 MB. Free memory was 621.5 MB in the beginning and 613.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,759 INFO L168 Benchmark]: BuchiAutomizer took 1226.77 ms. Allocated memory is still 679.5 MB. Free memory was 613.1 MB in the beginning and 489.6 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:49:09,763 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, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 281.36 ms. Allocated memory was 649.6 MB in the beginning and 679.5 MB in the end (delta: 29.9 MB). Free memory was 562.8 MB in the beginning and 643.9 MB in the end (delta: -81.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.80 ms. Allocated memory is still 679.5 MB. Free memory was 643.9 MB in the beginning and 642.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.55 ms. Allocated memory is still 679.5 MB. Free memory was 642.5 MB in the beginning and 641.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 205.20 ms. Allocated memory is still 679.5 MB. Free memory was 641.2 MB in the beginning and 626.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 66.00 ms. Allocated memory is still 679.5 MB. Free memory was 626.9 MB in the beginning and 622.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. * TraceAbstraction took 144.73 ms. Allocated memory is still 679.5 MB. Free memory was 621.5 MB in the beginning and 613.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1226.77 ms. Allocated memory is still 679.5 MB. Free memory was 613.1 MB in the beginning and 489.6 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 20]: 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 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function z and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp31 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 10:49:04.428 ----------------------------------------------- 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_FG6aVH/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:49:10.198 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check