/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 11:55:52,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:55:52,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:55:52,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:55:52,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:55:52,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:55:52,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:55:52,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:55:52,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:55:52,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:55:52,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:55:52,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:55:52,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:55:52,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:55:52,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:55:52,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:55:52,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:55:52,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:55:52,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:55:52,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:55:52,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:55:52,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:55:52,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:55:52,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:55:52,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:55:52,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:55:52,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:55:52,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:55:52,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:55:52,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:55:52,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:55:52,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:55:52,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:55:52,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:55:52,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:55:52,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:55:52,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:55:52,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:55:52,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:55:52,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:55:52,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:55:52,906 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 11:55:52,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:55:52,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:55:52,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:55:52,922 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:55:52,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:55:52,922 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:55:52,922 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:55:52,923 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:55:52,923 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:55:52,923 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:55:52,923 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:55:52,923 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:55:52,923 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:55:52,924 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:55:52,924 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:55:52,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:55:52,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:55:52,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:55:52,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:55:52,925 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:55:52,925 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:55:52,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:55:52,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:55:52,926 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:55:52,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:55:52,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:55:52,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:55:52,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:55:52,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:55:53,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:55:53,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:55:53,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:55:53,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:55:53,112 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:55:53,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:55:53,179 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_cf7DSw/tmp/2b572cc104ce424cb4e8ace3ae34e581/FLAG396f17070 [2020-07-01 11:55:53,520 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:55:53,521 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 11:55:53,528 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_cf7DSw/tmp/2b572cc104ce424cb4e8ace3ae34e581/FLAG396f17070 [2020-07-01 11:55:53,936 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_cf7DSw/tmp/2b572cc104ce424cb4e8ace3ae34e581 [2020-07-01 11:55:53,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:55:53,949 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:55:53,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:55:53,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:55:53,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:55:53,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:55:53" (1/1) ... [2020-07-01 11:55:53,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc02e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:53, skipping insertion in model container [2020-07-01 11:55:53,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:55:53" (1/1) ... [2020-07-01 11:55:53,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:55:53,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:55:54,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:55:54,215 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:55:54,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:55:54,246 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:55:54,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54 WrapperNode [2020-07-01 11:55:54,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:55:54,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:55:54,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:55:54,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:55:54,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:55:54,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:55:54,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:55:54,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:55:54,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:55:54,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:55:54,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:55:54,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:55:54,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (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 11:55:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2020-07-01 11:55:54,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2020-07-01 11:55:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2020-07-01 11:55:54,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2020-07-01 11:55:54,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:55:54,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:55:54,537 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:55:54,537 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-01 11:55:54,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:55:54 BoogieIcfgContainer [2020-07-01 11:55:54,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:55:54,551 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:55:54,551 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:55:54,554 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:55:54,555 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:55:54" (1/1) ... [2020-07-01 11:55:54,571 INFO L313 BlockEncoder]: Initial Icfg 21 locations, 26 edges [2020-07-01 11:55:54,572 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:55:54,573 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:55:54,573 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:55:54,574 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:55:54,575 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:55:54,576 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:55:54,576 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:55:54,590 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:55:54,597 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 11:55:54,602 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:55:54,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:55:54,615 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 11:55:54,618 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-07-01 11:55:54,619 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:55:54,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:55:54,620 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:55:54,621 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:55:54,621 INFO L313 BlockEncoder]: Encoded RCFG 17 locations, 22 edges [2020-07-01 11:55:54,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:55:54 BasicIcfg [2020-07-01 11:55:54,622 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:55:54,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:55:54,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:55:54,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:55:54,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:55:53" (1/4) ... [2020-07-01 11:55:54,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c1a5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:55:54, skipping insertion in model container [2020-07-01 11:55:54,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (2/4) ... [2020-07-01 11:55:54,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c1a5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:55:54, skipping insertion in model container [2020-07-01 11:55:54,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:55:54" (3/4) ... [2020-07-01 11:55:54,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c1a5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:55:54, skipping insertion in model container [2020-07-01 11:55:54,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:55:54" (4/4) ... [2020-07-01 11:55:54,631 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:55:54,641 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:55:54,649 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:55:54,666 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:55:54,690 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:55:54,691 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:55:54,691 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:55:54,691 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:55:54,691 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:55:54,692 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:55:54,692 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:55:54,692 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:55:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-01 11:55:54,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:55:54,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-07-01 11:55:54,801 INFO L271 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-07-01 11:55:54,802 INFO L271 CegarLoopResult]: At program point rec1ENTRY(lines 11 15) the Hoare annotation is: true [2020-07-01 11:55:54,802 INFO L268 CegarLoopResult]: For program point rec1FINAL(lines 11 15) no Hoare annotation was computed. [2020-07-01 11:55:54,802 INFO L271 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: true [2020-07-01 11:55:54,802 INFO L268 CegarLoopResult]: For program point L12(lines 12 13) no Hoare annotation was computed. [2020-07-01 11:55:54,802 INFO L271 CegarLoopResult]: At program point L14-2(line 14) the Hoare annotation is: true [2020-07-01 11:55:54,803 INFO L268 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-07-01 11:55:54,803 INFO L268 CegarLoopResult]: For program point rec1EXIT(lines 11 15) no Hoare annotation was computed. [2020-07-01 11:55:54,803 INFO L271 CegarLoopResult]: At program point rec2ENTRY(lines 17 21) the Hoare annotation is: true [2020-07-01 11:55:54,803 INFO L268 CegarLoopResult]: For program point rec2FINAL(lines 17 21) no Hoare annotation was computed. [2020-07-01 11:55:54,803 INFO L268 CegarLoopResult]: For program point rec2EXIT(lines 17 21) no Hoare annotation was computed. [2020-07-01 11:55:54,803 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-01 11:55:54,804 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-01 11:55:54,804 INFO L268 CegarLoopResult]: For program point L18(lines 18 19) no Hoare annotation was computed. [2020-07-01 11:55:54,804 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-07-01 11:55:54,804 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:55:54,804 INFO L271 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-07-01 11:55:54,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:55:54 BasicIcfg [2020-07-01 11:55:54,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:55:54,810 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:55:54,810 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:55:54,813 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:55:54,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:55:54,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:55:53" (1/5) ... [2020-07-01 11:55:54,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@663b0121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:55:54, skipping insertion in model container [2020-07-01 11:55:54,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:55:54,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:55:54" (2/5) ... [2020-07-01 11:55:54,816 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@663b0121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:55:54, skipping insertion in model container [2020-07-01 11:55:54,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:55:54,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:55:54" (3/5) ... [2020-07-01 11:55:54,816 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@663b0121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:55:54, skipping insertion in model container [2020-07-01 11:55:54,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:55:54,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:55:54" (4/5) ... [2020-07-01 11:55:54,817 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@663b0121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:55:54, skipping insertion in model container [2020-07-01 11:55:54,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:55:54,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:55:54" (5/5) ... [2020-07-01 11:55:54,819 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:55:54,846 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:55:54,846 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:55:54,846 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:55:54,846 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:55:54,847 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:55:54,847 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:55:54,847 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:55:54,847 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:55:54,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-07-01 11:55:54,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-07-01 11:55:54,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:55:54,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:55:54,880 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:55:54,880 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 11:55:54,880 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:55:54,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-07-01 11:55:54,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-07-01 11:55:54,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:55:54,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:55:54,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 11:55:54,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-01 11:55:54,888 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue [47] ULTIMATE.startENTRY-->L25: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet5_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~ret6=|v_ULTIMATE.start_main_#t~ret6_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet5_4|] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret6] 18#L25true [56] L25-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 3#rec2ENTRYtrue [2020-07-01 11:55:54,889 INFO L796 eck$LassoCheckResult]: Loop: 3#rec2ENTRYtrue [38] rec2ENTRY-->L18: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 16#L18true [64] L18-->L20: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 15#L20true [50] L20-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_4| v_rec2_~j_5) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_4|} AuxVars[] AssignedVars[rec1_#in~i]< 4#rec1ENTRYtrue [39] rec1ENTRY-->L12: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 9#L12true [44] L12-->rec1FINAL: Formula: (and (<= v_rec1_~i_2 0) (= |v_rec1_#res_1| 0)) InVars {rec1_~i=v_rec1_~i_2} OutVars{rec1_#res=|v_rec1_#res_1|, rec1_~i=v_rec1_~i_2} AuxVars[] AssignedVars[rec1_#res] 5#rec1FINALtrue [40] rec1FINAL-->rec1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 12#rec1EXITtrue >[62] rec1EXIT-->L20-1: AOR: Formula: (= |v_rec2_#t~ret3_4| |v_rec1_#resOutParam_4|) InVars {rec1_#res=|v_rec1_#resOutParam_4|} OutVars{rec2_#t~ret3=|v_rec2_#t~ret3_4|} AuxVars[] AssignedVars[rec2_#t~ret3] LVA: Formula: (= |v_rec1_#in~iInParam_4| v_rec2_~j_5) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_4|} AuxVars[] AssignedVars[rec1_#in~i] 19#L20-1true [57] L20-1-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_1| (+ |v_rec2_#t~ret3_5| (- 1))) InVars {rec2_#t~ret3=|v_rec2_#t~ret3_5|} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_1|} AuxVars[] AssignedVars[rec2_#in~j]< 3#rec2ENTRYtrue [2020-07-01 11:55:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:55:54,897 INFO L82 PathProgramCache]: Analyzing trace with hash 2474, now seen corresponding path program 1 times [2020-07-01 11:55:54,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:55:54,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009094088] [2020-07-01 11:55:54,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:55:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:55:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:55:54,971 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:55:54,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:55:54,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1865651641, now seen corresponding path program 1 times [2020-07-01 11:55:54,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:55:54,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736730343] [2020-07-01 11:55:54,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:55:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:55:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 11:55:55,080 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 11:55:55,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736730343] [2020-07-01 11:55:55,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 11:55:55,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-01 11:55:55,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668876762] [2020-07-01 11:55:55,087 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 11:55:55,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 11:55:55,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-01 11:55:55,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-01 11:55:55,104 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2020-07-01 11:55:55,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 11:55:55,196 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2020-07-01 11:55:55,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 11:55:55,200 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 11:55:55,205 INFO L168 Benchmark]: Toolchain (without parser) took 1254.74 ms. Allocated memory was 649.6 MB in the beginning and 691.5 MB in the end (delta: 41.9 MB). Free memory was 561.7 MB in the beginning and 586.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 50.3 GB. [2020-07-01 11:55:55,205 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 11:55:55,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.51 ms. Allocated memory was 649.6 MB in the beginning and 691.5 MB in the end (delta: 41.9 MB). Free memory was 561.7 MB in the beginning and 654.8 MB in the end (delta: -93.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:55:55,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.25 ms. Allocated memory is still 691.5 MB. Free memory was 654.8 MB in the beginning and 652.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. [2020-07-01 11:55:55,207 INFO L168 Benchmark]: Boogie Preprocessor took 17.40 ms. Allocated memory is still 691.5 MB. Free memory is still 652.1 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 11:55:55,208 INFO L168 Benchmark]: RCFGBuilder took 249.35 ms. Allocated memory is still 691.5 MB. Free memory was 650.8 MB in the beginning and 636.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:55:55,208 INFO L168 Benchmark]: BlockEncodingV2 took 71.14 ms. Allocated memory is still 691.5 MB. Free memory was 636.4 MB in the beginning and 631.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:55:55,209 INFO L168 Benchmark]: TraceAbstraction took 185.84 ms. Allocated memory is still 691.5 MB. Free memory was 631.0 MB in the beginning and 617.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. [2020-07-01 11:55:55,209 INFO L168 Benchmark]: BuchiAutomizer took 392.18 ms. Allocated memory is still 691.5 MB. Free memory was 617.5 MB in the beginning and 586.4 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:55:55,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 21 locations, 26 edges - StatisticsResult: Encoded RCFG 17 locations, 22 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 297.51 ms. Allocated memory was 649.6 MB in the beginning and 691.5 MB in the end (delta: 41.9 MB). Free memory was 561.7 MB in the beginning and 654.8 MB in the end (delta: -93.2 MB). Peak memory consumption was 28.7 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.25 ms. Allocated memory is still 691.5 MB. Free memory was 654.8 MB in the beginning and 652.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.40 ms. Allocated memory is still 691.5 MB. Free memory is still 652.1 MB. There was no memory consumed. Max. memory is 50.3 GB. * RCFGBuilder took 249.35 ms. Allocated memory is still 691.5 MB. Free memory was 650.8 MB in the beginning and 636.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 71.14 ms. Allocated memory is still 691.5 MB. Free memory was 636.4 MB in the beginning and 631.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 185.84 ms. Allocated memory is still 691.5 MB. Free memory was 631.0 MB in the beginning and 617.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 392.18 ms. Allocated memory is still 691.5 MB. Free memory was 617.5 MB in the beginning and 586.4 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 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=17occurred 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, 8 LocationsWithAnnotation, 23 PreInvPairs, 23 NumberOfFragments, 8 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 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 11:55:50.653 ----------------------------------------------- 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_cf7DSw/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:55:55.448 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check