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_label51_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:51:17,838 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:51:17,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:51:17,852 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:51:17,852 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:51:17,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:51:17,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:51:17,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:51:17,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:51:17,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:51:17,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:51:17,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:51:17,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:51:17,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:51:17,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:51:17,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:51:17,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:51:17,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:51:17,868 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:51:17,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:51:17,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:51:17,872 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:51:17,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:51:17,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:51:17,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:51:17,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:51:17,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:51:17,879 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:51:17,880 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:51:17,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:51:17,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:51:17,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 19:51:17,887 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 [2018-10-26 19:51:17,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:51:17,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:51:17,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:51:17,918 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:51:17,919 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:51:17,919 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:51:17,919 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:51:17,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:51:17,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:51:17,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:51:17,921 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:51:17,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:51:17,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:51:17,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:51:17,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:51:17,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:51:17,922 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:51:17,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:51:17,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:51:17,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:51:17,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:51:17,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:51:17,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:51:17,924 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:51:17,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:51:17,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:51:17,924 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:51:17,925 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:51:17,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:51:18,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:51:18,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:51:18,023 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:51:18,023 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:51:18,024 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label51_false-unreach-call.c [2018-10-26 19:51:18,094 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a71cbd6d0/de79bb7388464f29970fa5ac9cb44c77/FLAG8e82b134e [2018-10-26 19:51:18,975 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:51:18,976 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label51_false-unreach-call.c [2018-10-26 19:51:19,023 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a71cbd6d0/de79bb7388464f29970fa5ac9cb44c77/FLAG8e82b134e [2018-10-26 19:51:19,046 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a71cbd6d0/de79bb7388464f29970fa5ac9cb44c77 [2018-10-26 19:51:19,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:51:19,060 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:51:19,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:51:19,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:51:19,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:51:19,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:51:19" (1/1) ... [2018-10-26 19:51:19,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65405690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:19, skipping insertion in model container [2018-10-26 19:51:19,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:51:19" (1/1) ... [2018-10-26 19:51:19,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:51:19,336 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:51:21,269 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:51:21,273 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:51:22,392 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:51:22,448 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:51:22,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22 WrapperNode [2018-10-26 19:51:22,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:51:22,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:51:22,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:51:22,451 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:51:22,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:22,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:23,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:51:23,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:51:23,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:51:23,477 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:51:23,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:23,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:23,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:23,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:23,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:24,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:24,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (1/1) ... [2018-10-26 19:51:24,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:51:24,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:51:24,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:51:24,345 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:51:24,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (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 [2018-10-26 19:51:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:51:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:51:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:51:41,428 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:51:41,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:51:41 BoogieIcfgContainer [2018-10-26 19:51:41,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:51:41,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:51:41,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:51:41,438 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:51:41,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:51:19" (1/3) ... [2018-10-26 19:51:41,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f39eebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:51:41, skipping insertion in model container [2018-10-26 19:51:41,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:22" (2/3) ... [2018-10-26 19:51:41,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f39eebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:51:41, skipping insertion in model container [2018-10-26 19:51:41,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:51:41" (3/3) ... [2018-10-26 19:51:41,444 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label51_false-unreach-call.c [2018-10-26 19:51:41,454 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:51:41,469 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:51:41,488 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:51:41,555 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:51:41,555 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:51:41,555 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:51:41,555 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:51:41,556 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:51:41,556 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:51:41,556 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:51:41,556 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:51:41,556 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:51:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-26 19:51:41,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:51:41,608 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:51:41,609 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:51:41,612 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:51:41,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:51:41,618 INFO L82 PathProgramCache]: Analyzing trace with hash 670581594, now seen corresponding path program 1 times [2018-10-26 19:51:41,620 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:51:41,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:51:41,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:51:41,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:51:41,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:51:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:41,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:51:41,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:51:41,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:51:42,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:51:42,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:51:42,003 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-26 19:52:10,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:52:10,699 INFO L93 Difference]: Finished difference Result 6322 states and 12078 transitions. [2018-10-26 19:52:10,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:52:10,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-10-26 19:52:10,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:52:10,755 INFO L225 Difference]: With dead ends: 6322 [2018-10-26 19:52:10,755 INFO L226 Difference]: Without dead ends: 4566 [2018-10-26 19:52:10,766 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 [2018-10-26 19:52:10,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2018-10-26 19:52:11,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 4562. [2018-10-26 19:52:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4562 states. [2018-10-26 19:52:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 7763 transitions. [2018-10-26 19:52:11,064 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 7763 transitions. Word has length 18 [2018-10-26 19:52:11,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:52:11,065 INFO L481 AbstractCegarLoop]: Abstraction has 4562 states and 7763 transitions. [2018-10-26 19:52:11,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:52:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 7763 transitions. [2018-10-26 19:52:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 19:52:11,069 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:52:11,069 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:52:11,070 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:52:11,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:52:11,070 INFO L82 PathProgramCache]: Analyzing trace with hash 586332882, now seen corresponding path program 1 times [2018-10-26 19:52:11,070 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:52:11,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:52:11,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:11,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:52:11,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:11,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:52:11,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:52:11,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:52:11,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:52:11,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:52:11,452 INFO L87 Difference]: Start difference. First operand 4562 states and 7763 transitions. Second operand 4 states. [2018-10-26 19:52:37,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:52:37,103 INFO L93 Difference]: Finished difference Result 17536 states and 30099 transitions. [2018-10-26 19:52:37,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:52:37,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-10-26 19:52:37,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:52:37,168 INFO L225 Difference]: With dead ends: 17536 [2018-10-26 19:52:37,168 INFO L226 Difference]: Without dead ends: 12976 [2018-10-26 19:52:37,176 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 [2018-10-26 19:52:37,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12976 states. [2018-10-26 19:52:37,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12976 to 8660. [2018-10-26 19:52:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8660 states. [2018-10-26 19:52:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8660 states to 8660 states and 14380 transitions. [2018-10-26 19:52:37,366 INFO L78 Accepts]: Start accepts. Automaton has 8660 states and 14380 transitions. Word has length 88 [2018-10-26 19:52:37,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:52:37,367 INFO L481 AbstractCegarLoop]: Abstraction has 8660 states and 14380 transitions. [2018-10-26 19:52:37,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:52:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 8660 states and 14380 transitions. [2018-10-26 19:52:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:52:37,371 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:52:37,371 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:52:37,372 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:52:37,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:52:37,372 INFO L82 PathProgramCache]: Analyzing trace with hash 872305381, now seen corresponding path program 1 times [2018-10-26 19:52:37,373 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:52:37,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:52:37,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:37,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:52:37,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:37,653 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-26 19:52:37,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:37,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:52:37,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:52:37,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:52:37,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:52:37,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:52:37,684 INFO L87 Difference]: Start difference. First operand 8660 states and 14380 transitions. Second operand 4 states. [2018-10-26 19:52:55,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:52:55,770 INFO L93 Difference]: Finished difference Result 33813 states and 56473 transitions. [2018-10-26 19:52:55,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:52:55,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2018-10-26 19:52:55,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:52:55,840 INFO L225 Difference]: With dead ends: 33813 [2018-10-26 19:52:55,840 INFO L226 Difference]: Without dead ends: 25155 [2018-10-26 19:52:55,852 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:52:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25155 states. [2018-10-26 19:52:56,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25155 to 16865. [2018-10-26 19:52:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16865 states. [2018-10-26 19:52:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16865 states to 16865 states and 24314 transitions. [2018-10-26 19:52:56,160 INFO L78 Accepts]: Start accepts. Automaton has 16865 states and 24314 transitions. Word has length 110 [2018-10-26 19:52:56,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:52:56,160 INFO L481 AbstractCegarLoop]: Abstraction has 16865 states and 24314 transitions. [2018-10-26 19:52:56,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:52:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 16865 states and 24314 transitions. [2018-10-26 19:52:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 19:52:56,168 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:52:56,168 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:52:56,168 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:52:56,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:52:56,170 INFO L82 PathProgramCache]: Analyzing trace with hash -453547303, now seen corresponding path program 1 times [2018-10-26 19:52:56,170 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:52:56,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:52:56,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:56,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:52:56,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:56,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:52:56,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:52:56,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:52:56,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:52:56,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:52:56,411 INFO L87 Difference]: Start difference. First operand 16865 states and 24314 transitions. Second operand 4 states. [2018-10-26 19:53:14,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:53:14,712 INFO L93 Difference]: Finished difference Result 65426 states and 94868 transitions. [2018-10-26 19:53:14,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:53:14,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2018-10-26 19:53:14,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:53:14,849 INFO L225 Difference]: With dead ends: 65426 [2018-10-26 19:53:14,849 INFO L226 Difference]: Without dead ends: 48563 [2018-10-26 19:53:14,871 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 [2018-10-26 19:53:14,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48563 states. [2018-10-26 19:53:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48563 to 48550. [2018-10-26 19:53:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48550 states. [2018-10-26 19:53:15,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48550 states to 48550 states and 63472 transitions. [2018-10-26 19:53:15,497 INFO L78 Accepts]: Start accepts. Automaton has 48550 states and 63472 transitions. Word has length 119 [2018-10-26 19:53:15,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:53:15,498 INFO L481 AbstractCegarLoop]: Abstraction has 48550 states and 63472 transitions. [2018-10-26 19:53:15,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:53:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 48550 states and 63472 transitions. [2018-10-26 19:53:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 19:53:15,506 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:53:15,506 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:53:15,507 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:53:15,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:53:15,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1820684780, now seen corresponding path program 1 times [2018-10-26 19:53:15,507 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:53:15,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:53:15,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:15,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:53:15,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:53:15,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:53:15,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:53:15,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:53:15,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:53:15,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:53:15,918 INFO L87 Difference]: Start difference. First operand 48550 states and 63472 transitions. Second operand 4 states. [2018-10-26 19:53:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:53:31,280 INFO L93 Difference]: Finished difference Result 112127 states and 144774 transitions. [2018-10-26 19:53:31,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:53:31,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 181 [2018-10-26 19:53:31,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:53:31,355 INFO L225 Difference]: With dead ends: 112127 [2018-10-26 19:53:31,356 INFO L226 Difference]: Without dead ends: 63579 [2018-10-26 19:53:31,402 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 [2018-10-26 19:53:31,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63579 states. [2018-10-26 19:53:32,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63579 to 63570. [2018-10-26 19:53:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63570 states. [2018-10-26 19:53:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63570 states to 63570 states and 77358 transitions. [2018-10-26 19:53:32,113 INFO L78 Accepts]: Start accepts. Automaton has 63570 states and 77358 transitions. Word has length 181 [2018-10-26 19:53:32,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:53:32,113 INFO L481 AbstractCegarLoop]: Abstraction has 63570 states and 77358 transitions. [2018-10-26 19:53:32,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:53:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 63570 states and 77358 transitions. [2018-10-26 19:53:32,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2018-10-26 19:53:32,133 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:53:32,134 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1] [2018-10-26 19:53:32,134 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:53:32,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:53:32,135 INFO L82 PathProgramCache]: Analyzing trace with hash -830257455, now seen corresponding path program 1 times [2018-10-26 19:53:32,135 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:53:32,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:53:32,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:32,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:53:32,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:33,411 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 19:53:33,899 WARN L179 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2018-10-26 19:53:34,031 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2018-10-26 19:53:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 19:53:35,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:53:35,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:53:35,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 19:53:35,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 19:53:35,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-26 19:53:35,190 INFO L87 Difference]: Start difference. First operand 63570 states and 77358 transitions. Second operand 8 states. [2018-10-26 19:53:57,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:53:57,294 INFO L93 Difference]: Finished difference Result 174483 states and 212363 transitions. [2018-10-26 19:53:57,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 19:53:57,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 754 [2018-10-26 19:53:57,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:53:57,418 INFO L225 Difference]: With dead ends: 174483 [2018-10-26 19:53:57,418 INFO L226 Difference]: Without dead ends: 110915 [2018-10-26 19:53:57,454 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-10-26 19:53:57,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110915 states. [2018-10-26 19:53:58,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110915 to 64936. [2018-10-26 19:53:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64936 states. [2018-10-26 19:53:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64936 states to 64936 states and 78730 transitions. [2018-10-26 19:53:58,351 INFO L78 Accepts]: Start accepts. Automaton has 64936 states and 78730 transitions. Word has length 754 [2018-10-26 19:53:58,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:53:58,352 INFO L481 AbstractCegarLoop]: Abstraction has 64936 states and 78730 transitions. [2018-10-26 19:53:58,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 19:53:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 64936 states and 78730 transitions. [2018-10-26 19:53:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2018-10-26 19:53:58,389 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:53:58,390 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 19:53:58,390 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:53:58,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:53:58,390 INFO L82 PathProgramCache]: Analyzing trace with hash -447355457, now seen corresponding path program 1 times [2018-10-26 19:53:58,391 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:53:58,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:53:58,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:58,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:53:58,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-10-26 19:53:59,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:53:59,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 19:53:59,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:53:59,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:53:59,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:53:59,639 INFO L87 Difference]: Start difference. First operand 64936 states and 78730 transitions. Second operand 5 states. [2018-10-26 19:54:28,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:28,132 INFO L93 Difference]: Finished difference Result 229770 states and 282817 transitions. [2018-10-26 19:54:28,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:54:28,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 873 [2018-10-26 19:54:28,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:28,310 INFO L225 Difference]: With dead ends: 229770 [2018-10-26 19:54:28,311 INFO L226 Difference]: Without dead ends: 166202 [2018-10-26 19:54:28,338 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:54:28,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166202 states. [2018-10-26 19:54:29,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166202 to 127786. [2018-10-26 19:54:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127786 states. [2018-10-26 19:54:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127786 states to 127786 states and 154598 transitions. [2018-10-26 19:54:29,652 INFO L78 Accepts]: Start accepts. Automaton has 127786 states and 154598 transitions. Word has length 873 [2018-10-26 19:54:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:29,653 INFO L481 AbstractCegarLoop]: Abstraction has 127786 states and 154598 transitions. [2018-10-26 19:54:29,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:54:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand 127786 states and 154598 transitions. [2018-10-26 19:54:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2018-10-26 19:54:29,668 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:29,669 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:29,669 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:29,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:29,669 INFO L82 PathProgramCache]: Analyzing trace with hash 2138505184, now seen corresponding path program 1 times [2018-10-26 19:54:29,669 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:54:29,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:54:29,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:29,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:29,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-10-26 19:54:30,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:54:30,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:54:30,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:54:30,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:54:30,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:54:30,823 INFO L87 Difference]: Start difference. First operand 127786 states and 154598 transitions. Second operand 4 states. [2018-10-26 19:54:52,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:52,944 INFO L93 Difference]: Finished difference Result 256929 states and 310622 transitions. [2018-10-26 19:54:52,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:54:52,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 931 [2018-10-26 19:54:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:53,095 INFO L225 Difference]: With dead ends: 256929 [2018-10-26 19:54:53,095 INFO L226 Difference]: Without dead ends: 130511 [2018-10-26 19:54:53,152 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:54:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130511 states. [2018-10-26 19:54:54,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130511 to 119576. [2018-10-26 19:54:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119576 states. [2018-10-26 19:54:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119576 states to 119576 states and 137023 transitions. [2018-10-26 19:54:54,951 INFO L78 Accepts]: Start accepts. Automaton has 119576 states and 137023 transitions. Word has length 931 [2018-10-26 19:54:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:54,953 INFO L481 AbstractCegarLoop]: Abstraction has 119576 states and 137023 transitions. [2018-10-26 19:54:54,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:54:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 119576 states and 137023 transitions. [2018-10-26 19:54:54,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2018-10-26 19:54:54,966 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:54,967 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 19:54:54,967 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:54,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:54,968 INFO L82 PathProgramCache]: Analyzing trace with hash -447044229, now seen corresponding path program 1 times [2018-10-26 19:54:54,968 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:54:54,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:54:54,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:54,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:54,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2018-10-26 19:54:56,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:54:56,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:54:56,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:54:56,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:54:56,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:54:56,797 INFO L87 Difference]: Start difference. First operand 119576 states and 137023 transitions. Second operand 3 states. [2018-10-26 19:55:09,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:09,778 INFO L93 Difference]: Finished difference Result 274665 states and 315469 transitions. [2018-10-26 19:55:09,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:09,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 957 [2018-10-26 19:55:09,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:09,955 INFO L225 Difference]: With dead ends: 274665 [2018-10-26 19:55:09,955 INFO L226 Difference]: Without dead ends: 156457 [2018-10-26 19:55:10,025 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:10,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156457 states. [2018-10-26 19:55:12,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156457 to 149626. [2018-10-26 19:55:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149626 states. [2018-10-26 19:55:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149626 states to 149626 states and 170015 transitions. [2018-10-26 19:55:12,370 INFO L78 Accepts]: Start accepts. Automaton has 149626 states and 170015 transitions. Word has length 957 [2018-10-26 19:55:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:12,371 INFO L481 AbstractCegarLoop]: Abstraction has 149626 states and 170015 transitions. [2018-10-26 19:55:12,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:55:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 149626 states and 170015 transitions. [2018-10-26 19:55:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2018-10-26 19:55:12,384 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:12,385 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:55:12,386 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:12,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:12,386 INFO L82 PathProgramCache]: Analyzing trace with hash -929290705, now seen corresponding path program 1 times [2018-10-26 19:55:12,386 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:12,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:12,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:12,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:12,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2018-10-26 19:55:14,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:14,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:55:14,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:55:14,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:55:14,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:14,604 INFO L87 Difference]: Start difference. First operand 149626 states and 170015 transitions. Second operand 3 states. Received shutdown request... [2018-10-26 19:55:16,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:16,574 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 19:55:16,579 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 19:55:16,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:55:16 BoogieIcfgContainer [2018-10-26 19:55:16,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:55:16,580 INFO L168 Benchmark]: Toolchain (without parser) took 237521.75 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 824.4 MB in the end (delta: 583.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-26 19:55:16,582 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-26 19:55:16,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3389.21 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: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:16,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 1025.52 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 874.0 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:16,584 INFO L168 Benchmark]: Boogie Preprocessor took 867.75 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: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:16,585 INFO L168 Benchmark]: RCFGBuilder took 17086.27 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 291.5 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -398.4 MB). Peak memory consumption was 853.8 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:16,586 INFO L168 Benchmark]: TraceAbstraction took 215148.27 ms. Allocated memory was 2.7 GB in the beginning and 3.5 GB in the end (delta: 788.0 MB). Free memory was 2.5 GB in the beginning and 824.4 MB in the end (delta: 1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-26 19:55:16,592 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 3389.21 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: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1025.52 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 874.0 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 867.75 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: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17086.27 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 291.5 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -398.4 MB). Peak memory consumption was 853.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215148.27 ms. Allocated memory was 2.7 GB in the beginning and 3.5 GB in the end (delta: 788.0 MB). Free memory was 2.5 GB in the beginning and 824.4 MB in the end (delta: 1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 67). Cancelled while BasicCegarLoop was constructing difference of abstraction (149626states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (4263 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 215.0s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 195.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15253 SDtfs, 39938 SDslu, 8974 SDs, 0 SdLazy, 75568 SolverSat, 20772 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 165.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149626occurred in iteration=9, 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: 8.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 114793 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 5045 NumberOfCodeBlocks, 5045 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 5035 ConstructedInterpolants, 0 QuantifiedInterpolants, 10356114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3178/3178 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown