/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:17:06,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:17:06,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:17:06,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:17:06,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:17:06,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:17:06,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:17:06,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:17:06,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:17:06,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:17:06,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:17:06,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:17:06,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:17:06,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:17:06,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:17:06,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:17:06,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:17:06,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:17:06,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:17:06,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:17:06,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:17:06,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:17:06,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:17:06,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:17:06,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:17:06,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:17:06,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:17:06,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:17:06,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:17:06,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:17:06,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:17:06,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:17:06,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:17:06,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:17:06,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:17:06,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:17:06,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:17:06,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:17:06,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:17:06,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:17:06,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:17:06,794 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:17:06,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:17:06,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:17:06,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:17:06,810 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:17:06,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:17:06,811 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:17:06,811 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:17:06,811 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:17:06,811 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:17:06,811 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:17:06,812 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:17:06,812 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:17:06,812 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:17:06,812 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:17:06,812 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:06,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:17:06,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:17:06,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:17:06,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:17:06,813 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:17:06,813 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:17:06,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:17:06,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:17:06,814 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:17:06,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:17:06,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:17:06,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:17:06,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:17:06,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:17:06,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:17:06,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:17:06,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:17:07,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:17:07,001 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:17:07,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:17:07,070 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_BF9hSm/tmp/20b5f88ba4b84d34a4fac90cc71f00d0/FLAG36ff0fafe [2020-07-01 12:17:07,404 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:17:07,405 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:17:07,411 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_BF9hSm/tmp/20b5f88ba4b84d34a4fac90cc71f00d0/FLAG36ff0fafe [2020-07-01 12:17:07,805 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_BF9hSm/tmp/20b5f88ba4b84d34a4fac90cc71f00d0 [2020-07-01 12:17:07,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:17:07,817 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:17:07,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:17:07,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:17:07,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:17:07,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:17:07" (1/1) ... [2020-07-01 12:17:07,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2753f01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:07, skipping insertion in model container [2020-07-01 12:17:07,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:17:07" (1/1) ... [2020-07-01 12:17:07,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:17:07,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:17:08,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:17:08,085 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:17:08,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:17:08,116 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:17:08,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08 WrapperNode [2020-07-01 12:17:08,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:17:08,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:17:08,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:17:08,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:17:08,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:17:08,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:17:08,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:17:08,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:17:08,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:17:08,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:17:08,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:17:08,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:17:08,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (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 12:17:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:17:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:17:08,421 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:17:08,421 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-01 12:17:08,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:08 BoogieIcfgContainer [2020-07-01 12:17:08,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:17:08,425 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:17:08,425 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:17:08,427 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:17:08,428 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:08" (1/1) ... [2020-07-01 12:17:08,440 INFO L313 BlockEncoder]: Initial Icfg 12 locations, 17 edges [2020-07-01 12:17:08,442 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:17:08,442 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:17:08,443 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:17:08,443 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:17:08,445 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:17:08,446 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:17:08,446 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:17:08,464 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:17:08,490 INFO L200 BlockEncoder]: SBE split 4 edges [2020-07-01 12:17:08,495 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-07-01 12:17:08,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:17:08,516 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-07-01 12:17:08,519 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:17:08,521 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:17:08,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:17:08,521 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:17:08,522 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:17:08,522 INFO L313 BlockEncoder]: Encoded RCFG 7 locations, 44 edges [2020-07-01 12:17:08,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:17:08 BasicIcfg [2020-07-01 12:17:08,523 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:17:08,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:17:08,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:17:08,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:17:08,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:17:07" (1/4) ... [2020-07-01 12:17:08,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e074f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:17:08, skipping insertion in model container [2020-07-01 12:17:08,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (2/4) ... [2020-07-01 12:17:08,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e074f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:17:08, skipping insertion in model container [2020-07-01 12:17:08,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:08" (3/4) ... [2020-07-01 12:17:08,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e074f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:17:08, skipping insertion in model container [2020-07-01 12:17:08,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:17:08" (4/4) ... [2020-07-01 12:17:08,531 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:17:08,542 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:17:08,549 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:17:08,563 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:17:08,586 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:17:08,586 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:17:08,586 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:17:08,586 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:17:08,586 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:17:08,586 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:17:08,587 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:17:08,587 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:17:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-07-01 12:17:08,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:17:08,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-07-01 12:17:08,667 INFO L271 CegarLoopResult]: At program point L16(lines 13 19) the Hoare annotation is: true [2020-07-01 12:17:08,667 INFO L268 CegarLoopResult]: For program point L15(lines 15 17) no Hoare annotation was computed. [2020-07-01 12:17:08,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:17:08,667 INFO L271 CegarLoopResult]: At program point L13(lines 4 21) the Hoare annotation is: true [2020-07-01 12:17:08,668 INFO L271 CegarLoopResult]: At program point L9(lines 6 12) the Hoare annotation is: true [2020-07-01 12:17:08,668 INFO L268 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-07-01 12:17:08,668 INFO L271 CegarLoopResult]: At program point L18(lines 4 21) the Hoare annotation is: true [2020-07-01 12:17:08,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:17:08 BasicIcfg [2020-07-01 12:17:08,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:17:08,678 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:17:08,678 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:17:08,681 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:17:08,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:08,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:17:07" (1/5) ... [2020-07-01 12:17:08,683 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65666d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:17:08, skipping insertion in model container [2020-07-01 12:17:08,683 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:08,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:08" (2/5) ... [2020-07-01 12:17:08,684 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65666d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:17:08, skipping insertion in model container [2020-07-01 12:17:08,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:08,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:08" (3/5) ... [2020-07-01 12:17:08,685 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65666d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:17:08, skipping insertion in model container [2020-07-01 12:17:08,685 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:08,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:17:08" (4/5) ... [2020-07-01 12:17:08,685 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65666d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:17:08, skipping insertion in model container [2020-07-01 12:17:08,685 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:08,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:17:08" (5/5) ... [2020-07-01 12:17:08,687 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:17:08,716 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:17:08,716 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:17:08,716 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:17:08,716 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:17:08,717 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:17:08,717 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:17:08,717 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:17:08,717 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:17:08,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-01 12:17:08,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 12:17:08,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:17:08,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:17:08,746 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:17:08,746 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 12:17:08,746 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:17:08,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-01 12:17:08,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 12:17:08,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:17:08,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:17:08,749 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:17:08,749 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-07-01 12:17:08,754 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [43] ULTIMATE.startENTRY-->L18: Formula: (and (= v_ULTIMATE.start_f_~k_1 |v_ULTIMATE.start_f_#in~k_1|) (= v_ULTIMATE.start_f_~i~0_1 0) (= |v_ULTIMATE.start_f_#in~k_1| |v_ULTIMATE.start_main_#t~nondet2_1|) (= v_ULTIMATE.start_f_~l_1 |v_ULTIMATE.start_f_#in~l_1|) (= |v_ULTIMATE.start_f_#in~l_1| |v_ULTIMATE.start_main_#t~nondet3_1|) (= v_ULTIMATE.start_f_~j~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_f_#in~k=|v_ULTIMATE.start_f_#in~k_1|, ULTIMATE.start_f_~i~0=v_ULTIMATE.start_f_~i~0_1, ULTIMATE.start_f_#in~l=|v_ULTIMATE.start_f_#in~l_1|, ULTIMATE.start_f_#res=|v_ULTIMATE.start_f_#res_1|, ULTIMATE.start_f_~j~0=v_ULTIMATE.start_f_~j~0_1, ULTIMATE.start_f_~k=v_ULTIMATE.start_f_~k_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_f_~l=v_ULTIMATE.start_f_~l_1, ULTIMATE.start_f_#t~post0=|v_ULTIMATE.start_f_#t~post0_1|, ULTIMATE.start_f_#t~post1=|v_ULTIMATE.start_f_#t~post1_1|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_f_#in~k, ULTIMATE.start_f_~i~0, ULTIMATE.start_f_#in~l, ULTIMATE.start_f_#res, ULTIMATE.start_f_~j~0, ULTIMATE.start_f_~k, ULTIMATE.start_main_#res, ULTIMATE.start_f_~l, ULTIMATE.start_f_#t~post0, ULTIMATE.start_f_#t~post1, ULTIMATE.start_main_#t~ret4] 6#L18true [2020-07-01 12:17:08,755 INFO L796 eck$LassoCheckResult]: Loop: 6#L18true [47] L18-->L9: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 9#L9true [58] L9-->L13: Formula: (>= v_ULTIMATE.start_f_~i~0_4 v_ULTIMATE.start_f_~k_3) InVars {ULTIMATE.start_f_~k=v_ULTIMATE.start_f_~k_3, ULTIMATE.start_f_~i~0=v_ULTIMATE.start_f_~i~0_4} OutVars{ULTIMATE.start_f_~k=v_ULTIMATE.start_f_~k_3, ULTIMATE.start_f_~i~0=v_ULTIMATE.start_f_~i~0_4} AuxVars[] AssignedVars[] 7#L13true [49] L13-->L16: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 5#L16true [45] L16-->L15: Formula: (and (< v_ULTIMATE.start_f_~j~0_6 v_ULTIMATE.start_f_~l_4) (= v_ULTIMATE.start_f_~j~0_5 (+ v_ULTIMATE.start_f_~j~0_6 1))) InVars {ULTIMATE.start_f_~j~0=v_ULTIMATE.start_f_~j~0_6, ULTIMATE.start_f_~l=v_ULTIMATE.start_f_~l_4} OutVars{ULTIMATE.start_f_~j~0=v_ULTIMATE.start_f_~j~0_5, ULTIMATE.start_f_#t~post1=|v_ULTIMATE.start_f_#t~post1_2|, ULTIMATE.start_f_~l=v_ULTIMATE.start_f_~l_4} AuxVars[] AssignedVars[ULTIMATE.start_f_~j~0, ULTIMATE.start_f_#t~post1] 3#L15true [99] L15-->L18: Formula: (let ((.cse0 (mod v_ULTIMATE.start_f_~i~0_10 2))) (and (< 0 .cse0) (< v_ULTIMATE.start_f_~i~0_10 0) (= 0 (+ .cse0 (- 2))))) InVars {ULTIMATE.start_f_~i~0=v_ULTIMATE.start_f_~i~0_10} OutVars{ULTIMATE.start_f_~i~0=v_ULTIMATE.start_f_~i~0_10} AuxVars[] AssignedVars[] 6#L18true [2020-07-01 12:17:08,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:08,761 INFO L82 PathProgramCache]: Analyzing trace with hash 74, now seen corresponding path program 1 times [2020-07-01 12:17:08,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:08,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058506162] [2020-07-01 12:17:08,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:08,846 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:08,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:08,847 INFO L82 PathProgramCache]: Analyzing trace with hash 73811099, now seen corresponding path program 1 times [2020-07-01 12:17:08,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:08,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639676647] [2020-07-01 12:17:08,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:17:08,893 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 12:17:08,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639676647] [2020-07-01 12:17:08,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:17:08,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 12:17:08,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165241691] [2020-07-01 12:17:08,901 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 12:17:08,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:17:08,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-01 12:17:08,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-01 12:17:08,919 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2020-07-01 12:17:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:17:09,006 INFO L93 Difference]: Finished difference Result 7 states and 14 transitions. [2020-07-01 12:17:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-01 12:17:09,009 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 12:17:09,013 INFO L168 Benchmark]: Toolchain (without parser) took 1195.03 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 439.6 MB in the beginning and 468.2 MB in the end (delta: -28.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,014 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 458.5 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:17:09,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.04 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 439.6 MB in the beginning and 528.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.46 ms. Allocated memory is still 561.0 MB. Free memory was 528.4 MB in the beginning and 527.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,016 INFO L168 Benchmark]: Boogie Preprocessor took 20.76 ms. Allocated memory is still 561.0 MB. Free memory was 526.4 MB in the beginning and 525.7 MB in the end (delta: 673.7 kB). Peak memory consumption was 673.7 kB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,017 INFO L168 Benchmark]: RCFGBuilder took 249.02 ms. Allocated memory is still 561.0 MB. Free memory was 525.1 MB in the beginning and 512.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,017 INFO L168 Benchmark]: BlockEncodingV2 took 97.85 ms. Allocated memory is still 561.0 MB. Free memory was 512.2 MB in the beginning and 504.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,018 INFO L168 Benchmark]: TraceAbstraction took 153.17 ms. Allocated memory is still 561.0 MB. Free memory was 503.5 MB in the beginning and 494.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,018 INFO L168 Benchmark]: BuchiAutomizer took 332.91 ms. Allocated memory is still 561.0 MB. Free memory was 493.9 MB in the beginning and 468.2 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:09,022 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 12 locations, 17 edges - StatisticsResult: Encoded RCFG 7 locations, 44 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 458.5 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 299.04 ms. Allocated memory was 514.9 MB in the beginning and 561.0 MB in the end (delta: 46.1 MB). Free memory was 439.6 MB in the beginning and 528.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.46 ms. Allocated memory is still 561.0 MB. Free memory was 528.4 MB in the beginning and 527.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.76 ms. Allocated memory is still 561.0 MB. Free memory was 526.4 MB in the beginning and 525.7 MB in the end (delta: 673.7 kB). Peak memory consumption was 673.7 kB. Max. memory is 50.3 GB. * RCFGBuilder took 249.02 ms. Allocated memory is still 561.0 MB. Free memory was 525.1 MB in the beginning and 512.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 97.85 ms. Allocated memory is still 561.0 MB. Free memory was 512.2 MB in the beginning and 504.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 153.17 ms. Allocated memory is still 561.0 MB. Free memory was 503.5 MB in the beginning and 494.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 332.91 ms. Allocated memory is still 561.0 MB. Free memory was 493.9 MB in the beginning and 468.2 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 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=7occurred 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, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 12:17:04.392 ----------------------------------------------- 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_BF9hSm/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:17:09.256 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check