java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:42:53,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:42:53,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:42:53,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:42:53,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:42:53,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:42:53,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:42:53,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:42:53,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:42:53,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:42:53,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:42:53,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:42:53,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:42:53,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:42:53,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:42:53,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:42:53,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:42:53,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:42:53,687 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:42:53,688 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:42:53,689 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:42:53,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:42:53,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 14:42:53,702 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 14:42:53,721 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:42:53,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:42:53,722 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:42:53,722 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:42:53,726 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:42:53,726 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:42:53,726 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:42:53,727 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:42:53,727 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:42:53,727 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:42:53,727 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:42:53,727 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:42:53,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:42:53,728 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:42:53,728 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:42:53,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:42:53,729 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:42:53,729 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:42:53,729 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:42:53,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:42:53,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:42:53,730 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:42:53,730 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:42:53,730 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:42:53,730 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:42:53,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:42:53,733 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:42:53,733 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:42:53,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:42:53,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:42:53,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:42:53,809 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:42:53,809 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:42:53,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c [2018-10-24 14:42:53,870 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87d21f4f2/a79b16cd1e48458090c20ed294b81133/FLAG958f76057 [2018-10-24 14:42:54,799 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:42:54,801 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c [2018-10-24 14:42:54,851 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87d21f4f2/a79b16cd1e48458090c20ed294b81133/FLAG958f76057 [2018-10-24 14:42:54,873 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87d21f4f2/a79b16cd1e48458090c20ed294b81133 [2018-10-24 14:42:54,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:42:54,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:42:54,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:42:54,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:42:54,897 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:42:54,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:42:54" (1/1) ... [2018-10-24 14:42:54,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7670273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:54, skipping insertion in model container [2018-10-24 14:42:54,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:42:54" (1/1) ... [2018-10-24 14:42:54,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:42:55,186 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:42:57,323 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:42:57,330 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:42:58,735 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:42:58,800 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:42:58,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58 WrapperNode [2018-10-24 14:42:58,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:42:58,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:42:58,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:42:58,806 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:42:58,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:42:58,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:42:59,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:42:59,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:42:59,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:42:59,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:42:59,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:42:59,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:43:00,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:43:00,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:43:00,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:43:00,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:43:00,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... [2018-10-24 14:43:00,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:43:00,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:43:00,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:43:00,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:43:00,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:43:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:43:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:43:00,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:43:17,742 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:43:17,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:43:17 BoogieIcfgContainer [2018-10-24 14:43:17,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:43:17,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:43:17,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:43:17,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:43:17,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:42:54" (1/3) ... [2018-10-24 14:43:17,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412f8048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:43:17, skipping insertion in model container [2018-10-24 14:43:17,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:42:58" (2/3) ... [2018-10-24 14:43:17,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412f8048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:43:17, skipping insertion in model container [2018-10-24 14:43:17,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:43:17" (3/3) ... [2018-10-24 14:43:17,752 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label19_false-unreach-call.c [2018-10-24 14:43:17,762 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:43:17,773 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:43:17,791 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:43:17,842 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:43:17,843 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:43:17,843 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:43:17,843 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:43:17,843 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:43:17,844 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:43:17,844 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:43:17,844 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:43:17,844 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:43:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-24 14:43:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-24 14:43:17,902 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:43:17,903 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:43:17,906 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:43:17,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:43:17,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1473047758, now seen corresponding path program 1 times [2018-10-24 14:43:17,917 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:43:17,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:43:17,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:43:17,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:43:17,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:43:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:43:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:43:18,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:43:18,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:43:18,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:43:18,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:43:18,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:43:18,401 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-24 14:43:42,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:43:42,699 INFO L93 Difference]: Finished difference Result 6326 states and 12083 transitions. [2018-10-24 14:43:42,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:43:42,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-10-24 14:43:42,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:43:42,762 INFO L225 Difference]: With dead ends: 6326 [2018-10-24 14:43:42,763 INFO L226 Difference]: Without dead ends: 4570 [2018-10-24 14:43:42,773 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:43:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2018-10-24 14:43:42,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 4565. [2018-10-24 14:43:42,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4565 states. [2018-10-24 14:43:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 7758 transitions. [2018-10-24 14:43:43,005 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 7758 transitions. Word has length 25 [2018-10-24 14:43:43,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:43:43,005 INFO L481 AbstractCegarLoop]: Abstraction has 4565 states and 7758 transitions. [2018-10-24 14:43:43,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:43:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 7758 transitions. [2018-10-24 14:43:43,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-24 14:43:43,014 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:43:43,015 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:43:43,015 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:43:43,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:43:43,017 INFO L82 PathProgramCache]: Analyzing trace with hash 407851159, now seen corresponding path program 1 times [2018-10-24 14:43:43,017 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:43:43,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:43:43,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:43:43,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:43:43,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:43:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:43:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:43:43,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:43:43,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:43:43,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:43:43,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:43:43,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:43:43,341 INFO L87 Difference]: Start difference. First operand 4565 states and 7758 transitions. Second operand 4 states. [2018-10-24 14:44:06,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:44:06,211 INFO L93 Difference]: Finished difference Result 17446 states and 29978 transitions. [2018-10-24 14:44:06,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:44:06,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2018-10-24 14:44:06,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:44:06,266 INFO L225 Difference]: With dead ends: 17446 [2018-10-24 14:44:06,267 INFO L226 Difference]: Without dead ends: 12883 [2018-10-24 14:44:06,275 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:44:06,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12883 states. [2018-10-24 14:44:06,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12883 to 12842. [2018-10-24 14:44:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12842 states. [2018-10-24 14:44:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12842 states to 12842 states and 18654 transitions. [2018-10-24 14:44:06,517 INFO L78 Accepts]: Start accepts. Automaton has 12842 states and 18654 transitions. Word has length 111 [2018-10-24 14:44:06,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:44:06,518 INFO L481 AbstractCegarLoop]: Abstraction has 12842 states and 18654 transitions. [2018-10-24 14:44:06,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:44:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 12842 states and 18654 transitions. [2018-10-24 14:44:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-24 14:44:06,531 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:44:06,534 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:44:06,534 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:44:06,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:44:06,535 INFO L82 PathProgramCache]: Analyzing trace with hash 368224838, now seen corresponding path program 1 times [2018-10-24 14:44:06,535 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:44:06,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:44:06,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:06,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:44:06,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:44:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:44:06,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:44:06,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:44:06,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:44:06,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:44:06,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:44:06,963 INFO L87 Difference]: Start difference. First operand 12842 states and 18654 transitions. Second operand 4 states. [2018-10-24 14:44:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:44:28,056 INFO L93 Difference]: Finished difference Result 50582 states and 73610 transitions. [2018-10-24 14:44:28,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:44:28,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-10-24 14:44:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:44:28,172 INFO L225 Difference]: With dead ends: 50582 [2018-10-24 14:44:28,172 INFO L226 Difference]: Without dead ends: 37742 [2018-10-24 14:44:28,193 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:44:28,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37742 states. [2018-10-24 14:44:28,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37742 to 37727. [2018-10-24 14:44:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37727 states. [2018-10-24 14:44:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37727 states to 37727 states and 48553 transitions. [2018-10-24 14:44:28,889 INFO L78 Accepts]: Start accepts. Automaton has 37727 states and 48553 transitions. Word has length 156 [2018-10-24 14:44:28,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:44:28,889 INFO L481 AbstractCegarLoop]: Abstraction has 37727 states and 48553 transitions. [2018-10-24 14:44:28,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:44:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 37727 states and 48553 transitions. [2018-10-24 14:44:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-24 14:44:28,895 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:44:28,897 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:44:28,898 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:44:28,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:44:28,898 INFO L82 PathProgramCache]: Analyzing trace with hash 2062125395, now seen corresponding path program 1 times [2018-10-24 14:44:28,898 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:44:28,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:44:28,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:28,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:44:28,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:44:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-24 14:44:29,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:44:29,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:44:29,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:44:29,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:44:29,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:44:29,266 INFO L87 Difference]: Start difference. First operand 37727 states and 48553 transitions. Second operand 4 states. [2018-10-24 14:44:51,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:44:51,495 INFO L93 Difference]: Finished difference Result 148191 states and 190714 transitions. [2018-10-24 14:44:51,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:44:51,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2018-10-24 14:44:51,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:44:51,648 INFO L225 Difference]: With dead ends: 148191 [2018-10-24 14:44:51,649 INFO L226 Difference]: Without dead ends: 110466 [2018-10-24 14:44:51,697 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:44:51,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110466 states. [2018-10-24 14:44:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110466 to 73240. [2018-10-24 14:44:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73240 states. [2018-10-24 14:44:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73240 states to 73240 states and 91457 transitions. [2018-10-24 14:44:52,712 INFO L78 Accepts]: Start accepts. Automaton has 73240 states and 91457 transitions. Word has length 172 [2018-10-24 14:44:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:44:52,712 INFO L481 AbstractCegarLoop]: Abstraction has 73240 states and 91457 transitions. [2018-10-24 14:44:52,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:44:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 73240 states and 91457 transitions. [2018-10-24 14:44:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-24 14:44:52,720 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:44:52,721 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:44:52,721 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:44:52,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:44:52,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1774503772, now seen corresponding path program 1 times [2018-10-24 14:44:52,722 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:44:52,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:44:52,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:52,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:44:52,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:44:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:44:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-24 14:44:53,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:44:53,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:44:53,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:44:53,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:44:53,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:44:53,166 INFO L87 Difference]: Start difference. First operand 73240 states and 91457 transitions. Second operand 4 states. [2018-10-24 14:45:09,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:45:09,733 INFO L93 Difference]: Finished difference Result 169706 states and 209694 transitions. [2018-10-24 14:45:09,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:45:09,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 272 [2018-10-24 14:45:09,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:45:09,903 INFO L225 Difference]: With dead ends: 169706 [2018-10-24 14:45:09,904 INFO L226 Difference]: Without dead ends: 96468 [2018-10-24 14:45:09,957 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:45:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96468 states. [2018-10-24 14:45:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96468 to 96459. [2018-10-24 14:45:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96459 states. [2018-10-24 14:45:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96459 states to 96459 states and 113206 transitions. [2018-10-24 14:45:10,840 INFO L78 Accepts]: Start accepts. Automaton has 96459 states and 113206 transitions. Word has length 272 [2018-10-24 14:45:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:45:10,841 INFO L481 AbstractCegarLoop]: Abstraction has 96459 states and 113206 transitions. [2018-10-24 14:45:10,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:45:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 96459 states and 113206 transitions. [2018-10-24 14:45:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2018-10-24 14:45:10,858 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:45:10,859 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:45:10,859 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:45:10,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:45:10,860 INFO L82 PathProgramCache]: Analyzing trace with hash -192254115, now seen corresponding path program 1 times [2018-10-24 14:45:10,860 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:45:10,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:45:10,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:10,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:45:10,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:45:11,793 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-24 14:45:12,390 WARN L179 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2018-10-24 14:45:12,828 WARN L179 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2018-10-24 14:45:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-24 14:45:14,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:45:14,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-24 14:45:14,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 14:45:14,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 14:45:14,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-24 14:45:14,607 INFO L87 Difference]: Start difference. First operand 96459 states and 113206 transitions. Second operand 8 states. [2018-10-24 14:45:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:45:43,142 INFO L93 Difference]: Finished difference Result 267559 states and 314462 transitions. [2018-10-24 14:45:43,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-24 14:45:43,145 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 693 [2018-10-24 14:45:43,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:45:43,373 INFO L225 Difference]: With dead ends: 267559 [2018-10-24 14:45:43,373 INFO L226 Difference]: Without dead ends: 171102 [2018-10-24 14:45:43,453 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-10-24 14:45:43,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171102 states. [2018-10-24 14:45:45,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171102 to 97825. [2018-10-24 14:45:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97825 states. [2018-10-24 14:45:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97825 states to 97825 states and 114578 transitions. [2018-10-24 14:45:45,502 INFO L78 Accepts]: Start accepts. Automaton has 97825 states and 114578 transitions. Word has length 693 [2018-10-24 14:45:45,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:45:45,504 INFO L481 AbstractCegarLoop]: Abstraction has 97825 states and 114578 transitions. [2018-10-24 14:45:45,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 14:45:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 97825 states and 114578 transitions. [2018-10-24 14:45:45,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2018-10-24 14:45:45,546 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:45:45,547 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:45:45,547 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:45:45,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:45:45,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1199391620, now seen corresponding path program 1 times [2018-10-24 14:45:45,548 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:45:45,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:45:45,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:45,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:45:45,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:45:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:45:46,707 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-24 14:45:47,340 WARN L179 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2018-10-24 14:45:47,991 WARN L179 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2018-10-24 14:45:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 228 proven. 301 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-24 14:45:50,869 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:45:50,870 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 14:45:50,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:45:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:45:51,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:45:52,193 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-24 14:45:52,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:45:52,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2018-10-24 14:45:52,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-24 14:45:52,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-24 14:45:52,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-10-24 14:45:52,223 INFO L87 Difference]: Start difference. First operand 97825 states and 114578 transitions. Second operand 13 states. Received shutdown request... [2018-10-24 14:46:47,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-24 14:46:47,546 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 14:46:47,553 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 14:46:47,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:46:47 BoogieIcfgContainer [2018-10-24 14:46:47,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:46:47,554 INFO L168 Benchmark]: Toolchain (without parser) took 232665.99 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-24 14:46:47,555 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:46:47,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3910.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.4 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. [2018-10-24 14:46:47,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 1159.98 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 855.6 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 14:46:47,558 INFO L168 Benchmark]: Boogie Preprocessor took 671.69 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. [2018-10-24 14:46:47,559 INFO L168 Benchmark]: RCFGBuilder took 17105.99 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 306.2 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 473.3 MB). Peak memory consumption was 779.5 MB. Max. memory is 7.1 GB. [2018-10-24 14:46:47,560 INFO L168 Benchmark]: TraceAbstraction took 209808.73 ms. Allocated memory was 2.7 GB in the beginning and 3.6 GB in the end (delta: 936.4 MB). Free memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: 223.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 14:46:47,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3910.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.4 MB). Peak memory consumption was 403.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1159.98 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 855.6 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 671.69 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17105.99 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 306.2 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 473.3 MB). Peak memory consumption was 779.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209808.73 ms. Allocated memory was 2.7 GB in the beginning and 3.6 GB in the end (delta: 936.4 MB). Free memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: 223.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 88). Cancelled while BasicCegarLoop was constructing difference of abstraction (97825states) and FLOYD_HOARE automaton (currently 24 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (285696 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 209.7s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 191.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10083 SDtfs, 44224 SDslu, 13593 SDs, 0 SdLazy, 90525 SolverSat, 19078 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 161.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 983 GetRequests, 923 SyntacticMatches, 12 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97825occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 110573 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 3243 NumberOfCodeBlocks, 3243 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3235 ConstructedInterpolants, 0 QuantifiedInterpolants, 16738175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1038 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 1208/1509 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown