/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 11:44:22,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:44:22,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:44:22,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:44:22,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:44:22,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:44:22,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:44:22,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:44:22,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:44:22,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:44:22,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:44:22,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:44:22,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:44:22,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:44:22,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:44:22,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:44:22,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:44:22,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:44:22,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:44:22,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:44:22,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:44:22,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:44:22,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:44:22,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:44:22,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:44:22,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:44:22,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:44:22,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:44:22,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:44:22,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:44:22,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:44:22,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:44:22,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:44:22,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:44:22,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:44:22,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:44:22,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:44:22,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:44:22,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:44:22,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:44:22,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:44:22,091 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:44:22,105 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:44:22,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:44:22,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:44:22,106 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:44:22,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:44:22,107 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:44:22,107 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:44:22,107 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:44:22,107 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:44:22,108 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:44:22,108 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:44:22,108 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:44:22,108 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:44:22,108 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:44:22,108 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:44:22,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:44:22,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:44:22,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:44:22,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:44:22,109 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:44:22,109 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:44:22,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:44:22,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:44:22,110 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:44:22,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:44:22,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:44:22,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:44:22,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:44:22,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:44:22,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:44:22,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:44:22,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:44:22,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:44:22,292 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:44:22,293 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:44:22,357 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_kPl0p0/tmp/d4a824e750504352b05238f4dee5f718/FLAGaa25331bc [2020-07-01 11:44:22,684 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:44:22,685 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:44:22,691 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_kPl0p0/tmp/d4a824e750504352b05238f4dee5f718/FLAGaa25331bc [2020-07-01 11:44:23,091 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_kPl0p0/tmp/d4a824e750504352b05238f4dee5f718 [2020-07-01 11:44:23,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:44:23,104 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:44:23,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:44:23,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:44:23,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:44:23,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e4e9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:44:23,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:44:23,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:44:23,370 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:44:23,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:44:23,403 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:44:23,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23 WrapperNode [2020-07-01 11:44:23,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:44:23,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:44:23,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:44:23,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:44:23,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:44:23,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:44:23,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:44:23,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:44:23,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:44:23,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:44:23,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:44:23,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:44:23,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:44:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:44:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:44:23,700 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:44:23,701 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 11:44:23,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:44:23 BoogieIcfgContainer [2020-07-01 11:44:23,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:44:23,705 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:44:23,705 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:44:23,707 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:44:23,708 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:44:23" (1/1) ... [2020-07-01 11:44:23,720 INFO L313 BlockEncoder]: Initial Icfg 11 locations, 17 edges [2020-07-01 11:44:23,721 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:44:23,722 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:44:23,723 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:44:23,723 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:44:23,725 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:44:23,726 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:44:23,726 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:44:23,741 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:44:23,758 INFO L200 BlockEncoder]: SBE split 6 edges [2020-07-01 11:44:23,762 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 11:44:23,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:44:23,775 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 11:44:23,778 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-07-01 11:44:23,779 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:44:23,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:44:23,782 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:44:23,783 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:44:23,783 INFO L313 BlockEncoder]: Encoded RCFG 7 locations, 17 edges [2020-07-01 11:44:23,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:44:23 BasicIcfg [2020-07-01 11:44:23,784 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:44:23,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:44:23,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:44:23,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:44:23,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:44:23" (1/4) ... [2020-07-01 11:44:23,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49046d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (2/4) ... [2020-07-01 11:44:23,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49046d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:44:23" (3/4) ... [2020-07-01 11:44:23,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49046d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:44:23" (4/4) ... [2020-07-01 11:44:23,793 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:44:23,803 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:44:23,810 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:44:23,824 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:44:23,847 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:44:23,847 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:44:23,848 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:44:23,848 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:44:23,848 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:44:23,848 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:44:23,848 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:44:23,848 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:44:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-07-01 11:44:23,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:44:23,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-07-01 11:44:23,922 INFO L268 CegarLoopResult]: For program point L17-1(lines 13 29) no Hoare annotation was computed. [2020-07-01 11:44:23,923 INFO L268 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2020-07-01 11:44:23,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:44:23,923 INFO L268 CegarLoopResult]: For program point L14-2(lines 13 29) no Hoare annotation was computed. [2020-07-01 11:44:23,923 INFO L271 CegarLoopResult]: At program point L26-1(lines 13 29) the Hoare annotation is: true [2020-07-01 11:44:23,923 INFO L268 CegarLoopResult]: For program point L23-1(lines 13 29) no Hoare annotation was computed. [2020-07-01 11:44:23,924 INFO L268 CegarLoopResult]: For program point L20-1(lines 13 29) no Hoare annotation was computed. [2020-07-01 11:44:23,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:44:23 BasicIcfg [2020-07-01 11:44:23,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:44:23,933 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:44:23,933 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:44:23,937 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:44:23,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:44:23,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:44:23" (1/5) ... [2020-07-01 11:44:23,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d707e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:44:23,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:44:23" (2/5) ... [2020-07-01 11:44:23,939 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d707e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:44:23,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:44:23" (3/5) ... [2020-07-01 11:44:23,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d707e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:44:23,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:44:23" (4/5) ... [2020-07-01 11:44:23,940 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d707e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:44:23, skipping insertion in model container [2020-07-01 11:44:23,940 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:44:23,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:44:23" (5/5) ... [2020-07-01 11:44:23,942 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:44:23,969 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:44:23,970 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:44:23,970 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:44:23,970 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:44:23,970 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:44:23,970 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:44:23,970 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:44:23,971 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:44:23,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-01 11:44:23,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 11:44:23,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:44:23,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:44:23,998 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:44:23,998 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-07-01 11:44:23,998 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:44:23,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-01 11:44:23,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 11:44:24,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:44:24,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:44:24,000 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:44:24,000 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-07-01 11:44:24,005 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [49] ULTIMATE.startENTRY-->L26-1: Formula: (and (= v_ULTIMATE.start_main_~up~0_1 0) (= v_ULTIMATE.start_main_~range~0_1 20) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~up~0=v_ULTIMATE.start_main_~up~0_1, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~up~0, ULTIMATE.start_main_~range~0, ULTIMATE.start_main_~i~0] 9#L26-1true [2020-07-01 11:44:24,006 INFO L796 eck$LassoCheckResult]: Loop: 9#L26-1true [64] L26-1-->L14: Formula: (and (<= 0 v_ULTIMATE.start_main_~i~0_9) (<= v_ULTIMATE.start_main_~i~0_9 v_ULTIMATE.start_main_~range~0_10)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[] 8#L14true [73] L14-->L14-2: Formula: (> 0 v_ULTIMATE.start_main_~i~0_11) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[] 6#L14-2true [55] L14-2-->L17-1: Formula: (and (= v_ULTIMATE.start_main_~up~0_8 0) (= v_ULTIMATE.start_main_~range~0_11 v_ULTIMATE.start_main_~i~0_12)) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~up~0=v_ULTIMATE.start_main_~up~0_8, ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_11, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~up~0] 4#L17-1true [50] L17-1-->L20-1: Formula: (and (= 1 v_ULTIMATE.start_main_~up~0_9) (= v_ULTIMATE.start_main_~i~0_14 (+ v_ULTIMATE.start_main_~i~0_15 1))) InVars {ULTIMATE.start_main_~up~0=v_ULTIMATE.start_main_~up~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15} OutVars{ULTIMATE.start_main_~up~0=v_ULTIMATE.start_main_~up~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 7#L20-1true [80] L20-1-->L23-1: Formula: (< 0 v_ULTIMATE.start_main_~up~0_6) InVars {ULTIMATE.start_main_~up~0=v_ULTIMATE.start_main_~up~0_6} OutVars{ULTIMATE.start_main_~up~0=v_ULTIMATE.start_main_~up~0_6} AuxVars[] AssignedVars[] 5#L23-1true [81] L23-1-->L26-1: Formula: (> (+ v_ULTIMATE.start_main_~range~0_8 (- 2)) v_ULTIMATE.start_main_~i~0_7) InVars {ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~range~0=v_ULTIMATE.start_main_~range~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 9#L26-1true [2020-07-01 11:44:24,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:44:24,012 INFO L82 PathProgramCache]: Analyzing trace with hash 80, now seen corresponding path program 1 times [2020-07-01 11:44:24,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:44:24,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413570315] [2020-07-01 11:44:24,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:44:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:44:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:44:24,092 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:44:24,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:44:24,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1506091802, now seen corresponding path program 1 times [2020-07-01 11:44:24,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:44:24,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877026142] [2020-07-01 11:44:24,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:44:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:44:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 11:44:24,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877026142] [2020-07-01 11:44:24,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:44:24,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 11:44:24,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035933501] [2020-07-01 11:44:24,148 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 11:44:24,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:44:24,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 11:44:24,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 11:44:24,166 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2020-07-01 11:44:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:44:24,225 INFO L93 Difference]: Finished difference Result 9 states and 20 transitions. [2020-07-01 11:44:24,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 11:44:24,228 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 11:44:24,232 INFO L168 Benchmark]: Toolchain (without parser) took 1127.77 ms. Allocated memory was 649.6 MB in the beginning and 698.4 MB in the end (delta: 48.8 MB). Free memory was 561.4 MB in the beginning and 609.5 MB in the end (delta: -48.1 MB). Peak memory consumption was 697.1 kB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,233 INFO L168 Benchmark]: CDTParser took 0.17 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 11:44:24,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.74 ms. Allocated memory was 649.6 MB in the beginning and 698.4 MB in the end (delta: 48.8 MB). Free memory was 561.4 MB in the beginning and 661.1 MB in the end (delta: -99.7 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 698.4 MB. Free memory was 661.1 MB in the beginning and 660.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,235 INFO L168 Benchmark]: Boogie Preprocessor took 19.98 ms. Allocated memory is still 698.4 MB. Free memory was 660.0 MB in the beginning and 659.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,235 INFO L168 Benchmark]: RCFGBuilder took 244.49 ms. Allocated memory is still 698.4 MB. Free memory was 659.0 MB in the beginning and 643.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,236 INFO L168 Benchmark]: BlockEncodingV2 took 79.09 ms. Allocated memory is still 698.4 MB. Free memory was 643.2 MB in the beginning and 637.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,237 INFO L168 Benchmark]: TraceAbstraction took 147.24 ms. Allocated memory is still 698.4 MB. Free memory was 636.8 MB in the beginning and 629.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,237 INFO L168 Benchmark]: BuchiAutomizer took 296.49 ms. Allocated memory is still 698.4 MB. Free memory was 628.0 MB in the beginning and 609.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:44:24,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 11 locations, 17 edges - StatisticsResult: Encoded RCFG 7 locations, 17 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 299.74 ms. Allocated memory was 649.6 MB in the beginning and 698.4 MB in the end (delta: 48.8 MB). Free memory was 561.4 MB in the beginning and 661.1 MB in the end (delta: -99.7 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 698.4 MB. Free memory was 661.1 MB in the beginning and 660.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.98 ms. Allocated memory is still 698.4 MB. Free memory was 660.0 MB in the beginning and 659.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 244.49 ms. Allocated memory is still 698.4 MB. Free memory was 659.0 MB in the beginning and 643.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 79.09 ms. Allocated memory is still 698.4 MB. Free memory was 643.2 MB in the beginning and 637.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 147.24 ms. Allocated memory is still 698.4 MB. Free memory was 636.8 MB in the beginning and 629.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 296.49 ms. Allocated memory is still 698.4 MB. Free memory was 628.0 MB in the beginning and 609.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 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: 13]: 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 11:44:19.875 ----------------------------------------------- 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_kPl0p0/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:44:24.479 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check