/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 10:45:21,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:45:21,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:45:21,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:45:21,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:45:21,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:45:21,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:45:21,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:45:21,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:45:21,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:45:21,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:45:21,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:45:21,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:45:21,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:45:21,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:45:21,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:45:21,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:45:21,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:45:21,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:45:21,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:45:21,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:45:21,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:45:21,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:45:21,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:45:21,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:45:21,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:45:21,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:45:21,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:45:21,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:45:21,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:45:21,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:45:21,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:45:21,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:45:21,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:45:21,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:45:21,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:45:21,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:45:21,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:45:21,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:45:21,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:45:21,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:45:21,732 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:45:21,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:45:21,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:45:21,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:45:21,747 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:45:21,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:45:21,747 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:45:21,748 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:45:21,748 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:45:21,748 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:45:21,748 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:45:21,748 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:45:21,749 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:45:21,749 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:45:21,749 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:45:21,749 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:45:21,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:45:21,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:45:21,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:45:21,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:45:21,750 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:45:21,750 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:45:21,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:45:21,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:45:21,751 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:45:21,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:45:21,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:45:21,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:45:21,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:45:21,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:45:21,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:45:21,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:45:21,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:45:21,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:45:21,934 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:45:21,934 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:45:22,034 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_X1DxTv/tmp/a3c2037c1fe5463b90d0a09c029b5b79/FLAG813288f7e [2020-07-01 10:45:22,373 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:45:22,374 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:45:22,381 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_X1DxTv/tmp/a3c2037c1fe5463b90d0a09c029b5b79/FLAG813288f7e [2020-07-01 10:45:22,790 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_X1DxTv/tmp/a3c2037c1fe5463b90d0a09c029b5b79 [2020-07-01 10:45:22,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:45:22,802 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:45:22,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:45:22,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:45:22,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:45:22,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:45:22" (1/1) ... [2020-07-01 10:45:22,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4555ca0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:22, skipping insertion in model container [2020-07-01 10:45:22,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:45:22" (1/1) ... [2020-07-01 10:45:22,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:45:22,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:45:23,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:45:23,086 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:45:23,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:45:23,124 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:45:23,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23 WrapperNode [2020-07-01 10:45:23,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:45:23,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:45:23,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:45:23,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:45:23,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:45:23,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:45:23,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:45:23,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:45:23,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:45:23,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:45:23,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:45:23,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:45:23,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (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 10:45:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2020-07-01 10:45:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2020-07-01 10:45:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2020-07-01 10:45:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2020-07-01 10:45:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:45:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:45:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2020-07-01 10:45:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2020-07-01 10:45:23,539 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:45:23,539 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-01 10:45:23,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:45:23 BoogieIcfgContainer [2020-07-01 10:45:23,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:45:23,544 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:45:23,545 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:45:23,547 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:45:23,550 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:45:23" (1/1) ... [2020-07-01 10:45:23,569 INFO L313 BlockEncoder]: Initial Icfg 49 locations, 71 edges [2020-07-01 10:45:23,571 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:45:23,572 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:45:23,572 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:45:23,573 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:45:23,574 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:45:23,575 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:45:23,575 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:45:23,600 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:45:23,627 INFO L200 BlockEncoder]: SBE split 12 edges [2020-07-01 10:45:23,631 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 10:45:23,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:45:23,642 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 10:45:23,645 INFO L70 RemoveSinkStates]: Removed 16 edges and 5 locations by removing sink states [2020-07-01 10:45:23,647 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:45:23,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:45:23,653 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 10:45:23,654 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:45:23,654 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:45:23,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:45:23,655 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:45:23,655 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:45:23,656 INFO L313 BlockEncoder]: Encoded RCFG 40 locations, 65 edges [2020-07-01 10:45:23,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:45:23 BasicIcfg [2020-07-01 10:45:23,657 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:45:23,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:45:23,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:45:23,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:45:23,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:45:22" (1/4) ... [2020-07-01 10:45:23,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24678c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:45:23, skipping insertion in model container [2020-07-01 10:45:23,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (2/4) ... [2020-07-01 10:45:23,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24678c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:45:23, skipping insertion in model container [2020-07-01 10:45:23,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:45:23" (3/4) ... [2020-07-01 10:45:23,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24678c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:45:23, skipping insertion in model container [2020-07-01 10:45:23,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:45:23" (4/4) ... [2020-07-01 10:45:23,665 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:45:23,676 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:45:23,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:45:23,697 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:45:23,720 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:45:23,720 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:45:23,721 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:45:23,721 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:45:23,721 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:45:23,721 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:45:23,721 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:45:23,721 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:45:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-07-01 10:45:23,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:45:23,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 40 states. [2020-07-01 10:45:23,853 INFO L268 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-07-01 10:45:23,853 INFO L268 CegarLoopResult]: For program point L34-1(line 34) no Hoare annotation was computed. [2020-07-01 10:45:23,854 INFO L271 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: true [2020-07-01 10:45:23,854 INFO L268 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2020-07-01 10:45:23,854 INFO L268 CegarLoopResult]: For program point L31-1(line 31) no Hoare annotation was computed. [2020-07-01 10:45:23,854 INFO L268 CegarLoopResult]: For program point multiple_ofFINAL(lines 29 43) no Hoare annotation was computed. [2020-07-01 10:45:23,854 INFO L271 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: true [2020-07-01 10:45:23,854 INFO L271 CegarLoopResult]: At program point multiple_ofENTRY(lines 29 43) the Hoare annotation is: true [2020-07-01 10:45:23,855 INFO L268 CegarLoopResult]: For program point L42-1(line 42) no Hoare annotation was computed. [2020-07-01 10:45:23,855 INFO L268 CegarLoopResult]: For program point L39(lines 39 41) no Hoare annotation was computed. [2020-07-01 10:45:23,855 INFO L268 CegarLoopResult]: For program point L36(lines 36 38) no Hoare annotation was computed. [2020-07-01 10:45:23,855 INFO L268 CegarLoopResult]: For program point multiple_ofEXIT(lines 29 43) no Hoare annotation was computed. [2020-07-01 10:45:23,855 INFO L271 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: true [2020-07-01 10:45:23,856 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-01 10:45:23,856 INFO L268 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-07-01 10:45:23,856 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-07-01 10:45:23,856 INFO L271 CegarLoopResult]: At program point multENTRY(lines 15 26) the Hoare annotation is: true [2020-07-01 10:45:23,856 INFO L268 CegarLoopResult]: For program point multFINAL(lines 15 26) no Hoare annotation was computed. [2020-07-01 10:45:23,856 INFO L268 CegarLoopResult]: For program point multEXIT(lines 15 26) no Hoare annotation was computed. [2020-07-01 10:45:23,856 INFO L271 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-07-01 10:45:23,857 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-07-01 10:45:23,857 INFO L268 CegarLoopResult]: For program point L22(lines 22 24) no Hoare annotation was computed. [2020-07-01 10:45:23,857 INFO L268 CegarLoopResult]: For program point L19(lines 19 21) no Hoare annotation was computed. [2020-07-01 10:45:23,857 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:45:23,857 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-01 10:45:23,857 INFO L271 CegarLoopResult]: At program point L89-1(line 89) the Hoare annotation is: true [2020-07-01 10:45:23,857 INFO L268 CegarLoopResult]: For program point L85(lines 85 87) no Hoare annotation was computed. [2020-07-01 10:45:23,858 INFO L271 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-07-01 10:45:23,858 INFO L271 CegarLoopResult]: At program point L51-1(line 51) the Hoare annotation is: true [2020-07-01 10:45:23,858 INFO L268 CegarLoopResult]: For program point is_prime_EXIT(lines 55 72) no Hoare annotation was computed. [2020-07-01 10:45:23,858 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 68) no Hoare annotation was computed. [2020-07-01 10:45:23,858 INFO L268 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-07-01 10:45:23,858 INFO L268 CegarLoopResult]: For program point L62(lines 62 71) no Hoare annotation was computed. [2020-07-01 10:45:23,859 INFO L268 CegarLoopResult]: For program point is_prime_FINAL(lines 55 72) no Hoare annotation was computed. [2020-07-01 10:45:23,859 INFO L271 CegarLoopResult]: At program point is_prime_ENTRY(lines 55 72) the Hoare annotation is: true [2020-07-01 10:45:23,859 INFO L268 CegarLoopResult]: For program point L59(lines 59 61) no Hoare annotation was computed. [2020-07-01 10:45:23,859 INFO L268 CegarLoopResult]: For program point L56(lines 56 58) no Hoare annotation was computed. [2020-07-01 10:45:23,859 INFO L271 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: true [2020-07-01 10:45:23,859 INFO L268 CegarLoopResult]: For program point L69-1(line 69) no Hoare annotation was computed. [2020-07-01 10:45:23,860 INFO L271 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: true [2020-07-01 10:45:23,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:45:23 BasicIcfg [2020-07-01 10:45:23,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:45:23,870 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:45:23,870 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:45:23,873 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:45:23,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:45:23,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:45:22" (1/5) ... [2020-07-01 10:45:23,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433c991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:45:23, skipping insertion in model container [2020-07-01 10:45:23,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:45:23,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:45:23" (2/5) ... [2020-07-01 10:45:23,876 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433c991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:45:23, skipping insertion in model container [2020-07-01 10:45:23,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:45:23,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:45:23" (3/5) ... [2020-07-01 10:45:23,876 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433c991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:45:23, skipping insertion in model container [2020-07-01 10:45:23,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:45:23,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:45:23" (4/5) ... [2020-07-01 10:45:23,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433c991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:45:23, skipping insertion in model container [2020-07-01 10:45:23,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:45:23,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:45:23" (5/5) ... [2020-07-01 10:45:23,878 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:45:23,904 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:45:23,905 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:45:23,905 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:45:23,905 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:45:23,905 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:45:23,905 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:45:23,905 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:45:23,906 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:45:23,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states. [2020-07-01 10:45:23,932 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2020-07-01 10:45:23,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:45:23,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:45:23,941 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:45:23,941 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 10:45:23,942 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:45:23,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states. [2020-07-01 10:45:23,946 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2020-07-01 10:45:23,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:45:23,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:45:23,946 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 10:45:23,946 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 10:45:23,952 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue [241] ULTIMATE.startENTRY-->L51: Formula: (and (<= v_ULTIMATE.start_main_~n~0_7 46340) (= v_ULTIMATE.start_main_~n~0_7 |v_ULTIMATE.start_is_prime_#in~n_2|) (<= 1 v_ULTIMATE.start_main_~n~0_7) (= v_ULTIMATE.start_is_prime_~n_5 |v_ULTIMATE.start_is_prime_#in~n_2|)) InVars {} OutVars{ULTIMATE.start_is_prime_#in~n=|v_ULTIMATE.start_is_prime_#in~n_2|, ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_6|, ULTIMATE.start_main_#t~nondet11=|v_ULTIMATE.start_main_#t~nondet11_4|, ULTIMATE.start_is_prime_~n=v_ULTIMATE.start_is_prime_~n_5, ULTIMATE.start_is_prime_#res=|v_ULTIMATE.start_is_prime_#res_5|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_6|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_5, ULTIMATE.start_main_~f1~0=v_ULTIMATE.start_main_~f1~0_12, ULTIMATE.start_main_#t~ret12=|v_ULTIMATE.start_main_#t~ret12_7|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~ret9=|v_ULTIMATE.start_main_#t~ret9_5|, ULTIMATE.start_main_#t~short13=|v_ULTIMATE.start_main_#t~short13_10|, ULTIMATE.start_main_~f2~0=v_ULTIMATE.start_main_~f2~0_7, ULTIMATE.start_is_prime_#t~ret5=|v_ULTIMATE.start_is_prime_#t~ret5_8|} AuxVars[] AssignedVars[ULTIMATE.start_is_prime_#in~n, ULTIMATE.start_main_#t~nondet10, ULTIMATE.start_main_#t~nondet11, ULTIMATE.start_is_prime_~n, ULTIMATE.start_is_prime_#res, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~nondet8, ULTIMATE.start_main_~result~0, ULTIMATE.start_main_~f1~0, ULTIMATE.start_main_#t~ret12, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret9, ULTIMATE.start_main_#t~short13, ULTIMATE.start_main_~f2~0, ULTIMATE.start_is_prime_#t~ret5] 11#L51true [130] L51-->is_prime_ENTRY: Formula: (and (= |v_is_prime__#in~nInParam_1| v_ULTIMATE.start_is_prime_~n_4) (= |v_is_prime__#in~mInParam_1| (+ v_ULTIMATE.start_is_prime_~n_4 (- 1)))) InVars {ULTIMATE.start_is_prime_~n=v_ULTIMATE.start_is_prime_~n_4} OutVars{is_prime__#in~m=|v_is_prime__#in~mInParam_1|, is_prime__#in~n=|v_is_prime__#in~nInParam_1|} AuxVars[] AssignedVars[is_prime__#in~m, is_prime__#in~n]< 12#is_prime_ENTRYtrue [2020-07-01 10:45:23,953 INFO L796 eck$LassoCheckResult]: Loop: 12#is_prime_ENTRYtrue [131] is_prime_ENTRY-->L56: Formula: (and (= v_is_prime__~n_4 |v_is_prime__#in~n_1|) (= v_is_prime__~m_4 |v_is_prime__#in~m_1|)) InVars {is_prime__#in~m=|v_is_prime__#in~m_1|, is_prime__#in~n=|v_is_prime__#in~n_1|} OutVars{is_prime__~n=v_is_prime__~n_4, is_prime__~m=v_is_prime__~m_4, is_prime__#in~m=|v_is_prime__#in~m_1|, is_prime__#in~n=|v_is_prime__#in~n_1|} AuxVars[] AssignedVars[is_prime__~n, is_prime__~m] 15#L56true [196] L56-->L59: Formula: (> v_is_prime__~n_6 1) InVars {is_prime__~n=v_is_prime__~n_6} OutVars{is_prime__~n=v_is_prime__~n_6} AuxVars[] AssignedVars[] 6#L59true [214] L59-->L62: Formula: (< 2 v_is_prime__~n_8) InVars {is_prime__~n=v_is_prime__~n_8} OutVars{is_prime__~n=v_is_prime__~n_8} AuxVars[] AssignedVars[] 30#L62true [148] L62-->L63: Formula: (< 2 v_is_prime__~n_9) InVars {is_prime__~n=v_is_prime__~n_9} OutVars{is_prime__~n=v_is_prime__~n_9} AuxVars[] AssignedVars[] 14#L63true [199] L63-->L66: Formula: (> v_is_prime__~m_1 1) InVars {is_prime__~m=v_is_prime__~m_1} OutVars{is_prime__~m=v_is_prime__~m_1} AuxVars[] AssignedVars[] 37#L66true [158] L66-->multiple_ofENTRY: Formula: (and (= |v_multiple_of_#in~mInParam_4| v_is_prime__~m_6) (= |v_multiple_of_#in~nInParam_4| v_is_prime__~n_10)) InVars {is_prime__~n=v_is_prime__~n_10, is_prime__~m=v_is_prime__~m_6} OutVars{multiple_of_#in~m=|v_multiple_of_#in~mInParam_4|, multiple_of_#in~n=|v_multiple_of_#in~nInParam_4|} AuxVars[] AssignedVars[multiple_of_#in~m, multiple_of_#in~n]< 40#multiple_ofENTRYtrue [185] multiple_ofENTRY-->L30: Formula: (and (= v_multiple_of_~m_1 |v_multiple_of_#in~m_1|) (= v_multiple_of_~n_1 |v_multiple_of_#in~n_1|)) InVars {multiple_of_#in~m=|v_multiple_of_#in~m_1|, multiple_of_#in~n=|v_multiple_of_#in~n_1|} OutVars{multiple_of_#in~m=|v_multiple_of_#in~m_1|, multiple_of_~n=v_multiple_of_~n_1, multiple_of_~m=v_multiple_of_~m_1, multiple_of_#in~n=|v_multiple_of_#in~n_1|} AuxVars[] AssignedVars[multiple_of_~n, multiple_of_~m] 36#L30true [202] L30-->L33: Formula: (>= v_multiple_of_~m_4 0) InVars {multiple_of_~m=v_multiple_of_~m_4} OutVars{multiple_of_~m=v_multiple_of_~m_4} AuxVars[] AssignedVars[] 26#L33true [203] L33-->L36: Formula: (>= v_multiple_of_~n_5 0) InVars {multiple_of_~n=v_multiple_of_~n_5} OutVars{multiple_of_~n=v_multiple_of_~n_5} AuxVars[] AssignedVars[] 9#L36true [164] L36-->multiple_ofFINAL: Formula: (and (= 0 v_multiple_of_~m_6) (= |v_multiple_of_#res_3| 0)) InVars {multiple_of_~m=v_multiple_of_~m_6} OutVars{multiple_of_~m=v_multiple_of_~m_6, multiple_of_#res=|v_multiple_of_#res_3|} AuxVars[] AssignedVars[multiple_of_#res] 31#multiple_ofFINALtrue [150] multiple_ofFINAL-->multiple_ofEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 29#multiple_ofEXITtrue >[191] multiple_ofEXIT-->L66-1: AOR: Formula: (= |v_is_prime__#t~ret6_6| |v_multiple_of_#resOutParam_4|) InVars {multiple_of_#res=|v_multiple_of_#resOutParam_4|} OutVars{is_prime__#t~ret6=|v_is_prime__#t~ret6_6|} AuxVars[] AssignedVars[is_prime__#t~ret6] LVA: Formula: (and (= |v_multiple_of_#in~mInParam_4| v_is_prime__~m_6) (= |v_multiple_of_#in~nInParam_4| v_is_prime__~n_10)) InVars {is_prime__~n=v_is_prime__~n_10, is_prime__~m=v_is_prime__~m_6} OutVars{multiple_of_#in~m=|v_multiple_of_#in~mInParam_4|, multiple_of_#in~n=|v_multiple_of_#in~nInParam_4|} AuxVars[] AssignedVars[multiple_of_#in~m, multiple_of_#in~n] 35#L66-1true [232] L66-1-->L69: Formula: (< 0 |v_is_prime__#t~ret6_5|) InVars {is_prime__#t~ret6=|v_is_prime__#t~ret6_5|} OutVars{is_prime__#t~ret6=|v_is_prime__#t~ret6_4|} AuxVars[] AssignedVars[is_prime__#t~ret6] 27#L69true [144] L69-->is_prime_ENTRY: Formula: (and (= |v_is_prime__#in~nInParam_2| v_is_prime__~n_11) (= |v_is_prime__#in~mInParam_2| (+ v_is_prime__~m_7 (- 1)))) InVars {is_prime__~n=v_is_prime__~n_11, is_prime__~m=v_is_prime__~m_7} OutVars{is_prime__#in~m=|v_is_prime__#in~mInParam_2|, is_prime__#in~n=|v_is_prime__#in~nInParam_2|} AuxVars[] AssignedVars[is_prime__#in~m, is_prime__#in~n]< 12#is_prime_ENTRYtrue [2020-07-01 10:45:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:45:23,959 INFO L82 PathProgramCache]: Analyzing trace with hash 8562, now seen corresponding path program 1 times [2020-07-01 10:45:23,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:45:23,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358666317] [2020-07-01 10:45:23,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:45:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:45:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:45:24,052 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:45:24,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:45:24,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1479560046, now seen corresponding path program 1 times [2020-07-01 10:45:24,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:45:24,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429677105] [2020-07-01 10:45:24,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:45:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:45:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:45:24,147 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 10:45:24,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429677105] [2020-07-01 10:45:24,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:45:24,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-01 10:45:24,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663884757] [2020-07-01 10:45:24,153 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:45:24,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:45:24,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 10:45:24,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-01 10:45:24,170 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 5 states. [2020-07-01 10:45:24,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:45:24,400 INFO L93 Difference]: Finished difference Result 53 states and 88 transitions. [2020-07-01 10:45:24,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-01 10:45:24,413 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 10:45:24,418 INFO L168 Benchmark]: Toolchain (without parser) took 1614.81 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 557.1 MB in the beginning and 551.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 46.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,419 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:45:24,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.20 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 556.1 MB in the beginning and 652.8 MB in the end (delta: -96.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.70 ms. Allocated memory is still 690.0 MB. Free memory was 652.8 MB in the beginning and 651.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,421 INFO L168 Benchmark]: Boogie Preprocessor took 23.08 ms. Allocated memory is still 690.0 MB. Free memory was 651.7 MB in the beginning and 649.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,421 INFO L168 Benchmark]: RCFGBuilder took 356.63 ms. Allocated memory is still 690.0 MB. Free memory was 649.5 MB in the beginning and 625.2 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,422 INFO L168 Benchmark]: BlockEncodingV2 took 112.38 ms. Allocated memory is still 690.0 MB. Free memory was 625.2 MB in the beginning and 616.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,422 INFO L168 Benchmark]: TraceAbstraction took 211.52 ms. Allocated memory is still 690.0 MB. Free memory was 615.5 MB in the beginning and 600.2 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,423 INFO L168 Benchmark]: BuchiAutomizer took 545.40 ms. Allocated memory is still 690.0 MB. Free memory was 600.2 MB in the beginning and 551.5 MB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:45:24,427 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 49 locations, 71 edges - StatisticsResult: Encoded RCFG 40 locations, 65 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 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 322.20 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 556.1 MB in the beginning and 652.8 MB in the end (delta: -96.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 37.70 ms. Allocated memory is still 690.0 MB. Free memory was 652.8 MB in the beginning and 651.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 23.08 ms. Allocated memory is still 690.0 MB. Free memory was 651.7 MB in the beginning and 649.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 356.63 ms. Allocated memory is still 690.0 MB. Free memory was 649.5 MB in the beginning and 625.2 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 112.38 ms. Allocated memory is still 690.0 MB. Free memory was 625.2 MB in the beginning and 616.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * TraceAbstraction took 211.52 ms. Allocated memory is still 690.0 MB. Free memory was 615.5 MB in the beginning and 600.2 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 545.40 ms. Allocated memory is still 690.0 MB. Free memory was 600.2 MB in the beginning and 551.5 MB in the end (delta: 48.7 MB). Peak memory consumption was 48.7 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: 51]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 13 LocationsWithAnnotation, 34 PreInvPairs, 34 NumberOfFragments, 13 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 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 10:45:19.502 ----------------------------------------------- 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_X1DxTv/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:45:24.661 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check