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/Problem17_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:48:20,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:48:20,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:48:20,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:48:20,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:48:20,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:48:20,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:48:20,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:48:20,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:48:20,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:48:20,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:48:20,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:48:20,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:48:20,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:48:20,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:48:20,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:48:20,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:48:20,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:48:20,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:48:20,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:48:20,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:48:20,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:48:20,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:48:20,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:48:20,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:48:20,832 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:48:20,833 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:48:20,833 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:48:20,834 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:48:20,835 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:48:20,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:48:20,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 21:48:20,839 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 21:48:20,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:48:20,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:48:20,854 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:48:20,855 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:48:20,855 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:48:20,855 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:48:20,856 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 21:48:20,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:48:20,856 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:48:20,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:48:20,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:48:20,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:48:20,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:48:20,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:48:20,857 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:48:20,857 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:48:20,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:48:20,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:48:20,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:48:20,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:48:20,858 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:48:20,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:48:20,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:48:20,859 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 21:48:20,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:48:20,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:48:20,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:48:20,860 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 21:48:20,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:48:20,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:48:20,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:48:20,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:48:20,922 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:48:20,923 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label00_true-unreach-call.c [2018-10-26 21:48:20,983 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/662e2a621/aafc7b3ec68446288946e71432fe72f3/FLAG84f71ad00 [2018-10-26 21:48:21,737 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:48:21,740 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label00_true-unreach-call.c [2018-10-26 21:48:21,770 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/662e2a621/aafc7b3ec68446288946e71432fe72f3/FLAG84f71ad00 [2018-10-26 21:48:21,793 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/662e2a621/aafc7b3ec68446288946e71432fe72f3 [2018-10-26 21:48:21,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:48:21,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 21:48:21,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:48:21,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:48:21,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:48:21,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:48:21" (1/1) ... [2018-10-26 21:48:21,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46764b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:21, skipping insertion in model container [2018-10-26 21:48:21,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:48:21" (1/1) ... [2018-10-26 21:48:21,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:48:21,942 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:48:22,950 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:48:22,955 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:48:23,363 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:48:23,390 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:48:23,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23 WrapperNode [2018-10-26 21:48:23,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:48:23,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:48:23,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:48:23,393 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:48:23,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:23,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:48:24,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:48:24,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:48:24,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:48:24,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (1/1) ... [2018-10-26 21:48:24,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:48:24,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:48:24,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:48:24,315 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:48:24,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (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 21:48:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:48:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:48:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:48:33,495 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:48:33,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:48:33 BoogieIcfgContainer [2018-10-26 21:48:33,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:48:33,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:48:33,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:48:33,501 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:48:33,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:48:21" (1/3) ... [2018-10-26 21:48:33,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa9c384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:48:33, skipping insertion in model container [2018-10-26 21:48:33,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:48:23" (2/3) ... [2018-10-26 21:48:33,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa9c384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:48:33, skipping insertion in model container [2018-10-26 21:48:33,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:48:33" (3/3) ... [2018-10-26 21:48:33,506 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label00_true-unreach-call.c [2018-10-26 21:48:33,516 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:48:33,526 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:48:33,544 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:48:33,590 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:48:33,591 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:48:33,591 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:48:33,591 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:48:33,591 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:48:33,592 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:48:33,592 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:48:33,592 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:48:33,592 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:48:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-10-26 21:48:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 21:48:33,637 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:48:33,638 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, 1, 1, 1, 1, 1, 1, 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 21:48:33,640 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:48:33,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:48:33,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1306950314, now seen corresponding path program 1 times [2018-10-26 21:48:33,648 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:48:33,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:48:33,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:33,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:48:33,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:48:34,106 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 21:48:34,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:48:34,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:48:34,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:48:34,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:48:34,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:48:34,136 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-10-26 21:48:43,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:48:43,826 INFO L93 Difference]: Finished difference Result 2099 states and 3904 transitions. [2018-10-26 21:48:43,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:48:43,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-10-26 21:48:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:48:43,872 INFO L225 Difference]: With dead ends: 2099 [2018-10-26 21:48:43,872 INFO L226 Difference]: Without dead ends: 1501 [2018-10-26 21:48:43,880 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 21:48:43,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2018-10-26 21:48:44,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1499. [2018-10-26 21:48:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2018-10-26 21:48:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2373 transitions. [2018-10-26 21:48:44,021 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2373 transitions. Word has length 55 [2018-10-26 21:48:44,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:48:44,022 INFO L481 AbstractCegarLoop]: Abstraction has 1499 states and 2373 transitions. [2018-10-26 21:48:44,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:48:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2373 transitions. [2018-10-26 21:48:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 21:48:44,028 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:48:44,029 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, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 21:48:44,029 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:48:44,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:48:44,030 INFO L82 PathProgramCache]: Analyzing trace with hash -755960674, now seen corresponding path program 1 times [2018-10-26 21:48:44,030 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:48:44,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:48:44,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:44,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:48:44,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:48:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:48:44,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:48:44,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:48:44,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:48:44,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:48:44,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:48:44,332 INFO L87 Difference]: Start difference. First operand 1499 states and 2373 transitions. Second operand 4 states. [2018-10-26 21:48:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:48:55,097 INFO L93 Difference]: Finished difference Result 5631 states and 9061 transitions. [2018-10-26 21:48:55,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:48:55,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-10-26 21:48:55,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:48:55,120 INFO L225 Difference]: With dead ends: 5631 [2018-10-26 21:48:55,120 INFO L226 Difference]: Without dead ends: 4134 [2018-10-26 21:48:55,125 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:48:55,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4134 states. [2018-10-26 21:48:55,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4134 to 4101. [2018-10-26 21:48:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4101 states. [2018-10-26 21:48:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 4101 states and 5983 transitions. [2018-10-26 21:48:55,205 INFO L78 Accepts]: Start accepts. Automaton has 4101 states and 5983 transitions. Word has length 126 [2018-10-26 21:48:55,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:48:55,206 INFO L481 AbstractCegarLoop]: Abstraction has 4101 states and 5983 transitions. [2018-10-26 21:48:55,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:48:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 4101 states and 5983 transitions. [2018-10-26 21:48:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 21:48:55,211 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:48:55,212 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, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 21:48:55,212 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:48:55,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:48:55,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1532322790, now seen corresponding path program 1 times [2018-10-26 21:48:55,213 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:48:55,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:48:55,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:55,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:48:55,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:48:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:48:55,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:48:55,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 21:48:55,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:48:55,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:48:55,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:48:55,409 INFO L87 Difference]: Start difference. First operand 4101 states and 5983 transitions. Second operand 3 states. [2018-10-26 21:48:58,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:48:58,828 INFO L93 Difference]: Finished difference Result 12038 states and 17622 transitions. [2018-10-26 21:48:58,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:48:58,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2018-10-26 21:48:58,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:48:58,862 INFO L225 Difference]: With dead ends: 12038 [2018-10-26 21:48:58,862 INFO L226 Difference]: Without dead ends: 6632 [2018-10-26 21:48:58,870 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:48:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6632 states. [2018-10-26 21:48:58,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6632 to 6632. [2018-10-26 21:48:58,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6632 states. [2018-10-26 21:48:59,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 8195 transitions. [2018-10-26 21:48:59,001 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 8195 transitions. Word has length 167 [2018-10-26 21:48:59,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:48:59,002 INFO L481 AbstractCegarLoop]: Abstraction has 6632 states and 8195 transitions. [2018-10-26 21:48:59,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:48:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 8195 transitions. [2018-10-26 21:48:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 21:48:59,007 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:48:59,008 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:48:59,008 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:48:59,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:48:59,009 INFO L82 PathProgramCache]: Analyzing trace with hash -534810368, now seen corresponding path program 1 times [2018-10-26 21:48:59,009 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:48:59,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:48:59,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:59,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:48:59,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:48:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:48:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:48:59,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:48:59,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:48:59,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:48:59,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:48:59,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:48:59,579 INFO L87 Difference]: Start difference. First operand 6632 states and 8195 transitions. Second operand 4 states. [2018-10-26 21:49:07,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:49:07,025 INFO L93 Difference]: Finished difference Result 17528 states and 22443 transitions. [2018-10-26 21:49:07,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:49:07,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-10-26 21:49:07,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:49:07,071 INFO L225 Difference]: With dead ends: 17528 [2018-10-26 21:49:07,072 INFO L226 Difference]: Without dead ends: 10898 [2018-10-26 21:49:07,082 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 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 21:49:07,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10898 states. [2018-10-26 21:49:07,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10898 to 10472. [2018-10-26 21:49:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10472 states. [2018-10-26 21:49:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10472 states to 10472 states and 12821 transitions. [2018-10-26 21:49:07,270 INFO L78 Accepts]: Start accepts. Automaton has 10472 states and 12821 transitions. Word has length 218 [2018-10-26 21:49:07,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:49:07,271 INFO L481 AbstractCegarLoop]: Abstraction has 10472 states and 12821 transitions. [2018-10-26 21:49:07,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:49:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 10472 states and 12821 transitions. [2018-10-26 21:49:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-26 21:49:07,278 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:49:07,278 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:49:07,279 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:49:07,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:49:07,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2126901769, now seen corresponding path program 1 times [2018-10-26 21:49:07,279 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:49:07,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:49:07,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:07,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:49:07,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:49:07,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:49:07,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:49:07,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:49:07,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:49:07,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:49:07,559 INFO L87 Difference]: Start difference. First operand 10472 states and 12821 transitions. Second operand 3 states. [2018-10-26 21:49:12,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:49:12,676 INFO L93 Difference]: Finished difference Result 28617 states and 34930 transitions. [2018-10-26 21:49:12,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:49:12,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2018-10-26 21:49:12,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:49:12,727 INFO L225 Difference]: With dead ends: 28617 [2018-10-26 21:49:12,727 INFO L226 Difference]: Without dead ends: 18147 [2018-10-26 21:49:12,742 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:49:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18147 states. [2018-10-26 21:49:12,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18147 to 18141. [2018-10-26 21:49:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18141 states. [2018-10-26 21:49:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18141 states to 18141 states and 21689 transitions. [2018-10-26 21:49:13,016 INFO L78 Accepts]: Start accepts. Automaton has 18141 states and 21689 transitions. Word has length 256 [2018-10-26 21:49:13,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:49:13,017 INFO L481 AbstractCegarLoop]: Abstraction has 18141 states and 21689 transitions. [2018-10-26 21:49:13,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:49:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 18141 states and 21689 transitions. [2018-10-26 21:49:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 21:49:13,024 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:49:13,024 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:49:13,025 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:49:13,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:49:13,025 INFO L82 PathProgramCache]: Analyzing trace with hash 783097630, now seen corresponding path program 1 times [2018-10-26 21:49:13,025 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:49:13,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:49:13,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:13,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:49:13,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 246 proven. 71 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 21:49:13,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:49:13,473 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 [2018-10-26 21:49:13,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:49:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:13,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:49:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 246 proven. 71 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 21:49:14,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:49:14,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2018-10-26 21:49:14,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:49:14,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:49:14,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:49:14,042 INFO L87 Difference]: Start difference. First operand 18141 states and 21689 transitions. Second operand 5 states. [2018-10-26 21:49:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:49:25,663 INFO L93 Difference]: Finished difference Result 51641 states and 62505 transitions. [2018-10-26 21:49:25,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:49:25,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2018-10-26 21:49:25,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:49:25,732 INFO L225 Difference]: With dead ends: 51641 [2018-10-26 21:49:25,732 INFO L226 Difference]: Without dead ends: 30449 [2018-10-26 21:49:25,755 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:49:25,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30449 states. [2018-10-26 21:49:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30449 to 27020. [2018-10-26 21:49:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27020 states. [2018-10-26 21:49:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27020 states to 27020 states and 31007 transitions. [2018-10-26 21:49:26,170 INFO L78 Accepts]: Start accepts. Automaton has 27020 states and 31007 transitions. Word has length 282 [2018-10-26 21:49:26,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:49:26,171 INFO L481 AbstractCegarLoop]: Abstraction has 27020 states and 31007 transitions. [2018-10-26 21:49:26,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:49:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27020 states and 31007 transitions. [2018-10-26 21:49:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-26 21:49:26,177 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:49:26,178 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, 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, 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] [2018-10-26 21:49:26,178 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:49:26,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:49:26,179 INFO L82 PathProgramCache]: Analyzing trace with hash -571301849, now seen corresponding path program 1 times [2018-10-26 21:49:26,179 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:49:26,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:49:26,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:26,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:49:26,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 250 proven. 83 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 21:49:26,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:49:26,903 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:49:26,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:49:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:27,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:49:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 250 proven. 83 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 21:49:27,220 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:49:27,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2018-10-26 21:49:27,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 21:49:27,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 21:49:27,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:49:27,221 INFO L87 Difference]: Start difference. First operand 27020 states and 31007 transitions. Second operand 9 states. [2018-10-26 21:49:38,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:49:38,473 INFO L93 Difference]: Finished difference Result 56176 states and 64282 transitions. [2018-10-26 21:49:38,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:49:38,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 318 [2018-10-26 21:49:38,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:49:38,532 INFO L225 Difference]: With dead ends: 56176 [2018-10-26 21:49:38,533 INFO L226 Difference]: Without dead ends: 29586 [2018-10-26 21:49:38,564 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:49:38,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29586 states. [2018-10-26 21:49:38,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29586 to 28724. [2018-10-26 21:49:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28724 states. [2018-10-26 21:49:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28724 states to 28724 states and 32800 transitions. [2018-10-26 21:49:38,897 INFO L78 Accepts]: Start accepts. Automaton has 28724 states and 32800 transitions. Word has length 318 [2018-10-26 21:49:38,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:49:38,897 INFO L481 AbstractCegarLoop]: Abstraction has 28724 states and 32800 transitions. [2018-10-26 21:49:38,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 21:49:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 28724 states and 32800 transitions. [2018-10-26 21:49:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-26 21:49:38,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:49:38,906 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, 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, 2, 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 21:49:38,906 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:49:38,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:49:38,907 INFO L82 PathProgramCache]: Analyzing trace with hash -173028014, now seen corresponding path program 1 times [2018-10-26 21:49:38,907 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:49:38,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:49:38,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:38,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:49:38,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:49:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 158 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:49:39,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:49:39,631 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:49:39,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:49:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:39,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:49:48,442 WARN L179 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 1583 DAG size of output: 38 [2018-10-26 21:49:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 53 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:49:49,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:49:49,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-10-26 21:49:49,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 21:49:49,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 21:49:49,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-10-26 21:49:49,525 INFO L87 Difference]: Start difference. First operand 28724 states and 32800 transitions. Second operand 10 states. [2018-10-26 21:50:57,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:50:57,818 INFO L93 Difference]: Finished difference Result 103641 states and 118465 transitions. [2018-10-26 21:50:57,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 21:50:57,819 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 322 [2018-10-26 21:50:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:50:57,903 INFO L225 Difference]: With dead ends: 103641 [2018-10-26 21:50:57,904 INFO L226 Difference]: Without dead ends: 72358 [2018-10-26 21:50:57,936 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:50:57,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72358 states. [2018-10-26 21:50:58,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72358 to 57727. [2018-10-26 21:50:58,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57727 states. [2018-10-26 21:50:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57727 states to 57727 states and 64596 transitions. [2018-10-26 21:50:58,713 INFO L78 Accepts]: Start accepts. Automaton has 57727 states and 64596 transitions. Word has length 322 [2018-10-26 21:50:58,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:50:58,713 INFO L481 AbstractCegarLoop]: Abstraction has 57727 states and 64596 transitions. [2018-10-26 21:50:58,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 21:50:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 57727 states and 64596 transitions. [2018-10-26 21:50:58,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-10-26 21:50:58,727 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:50:58,728 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, 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, 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] [2018-10-26 21:50:58,728 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:50:58,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:50:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash 684799426, now seen corresponding path program 1 times [2018-10-26 21:50:58,730 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:50:58,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:50:58,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:50:58,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:50:58,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:50:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 250 proven. 83 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 21:51:00,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:51:00,278 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:51:00,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:00,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:02,064 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 54 DAG size of output: 21 [2018-10-26 21:51:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 333 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:02,558 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:51:02,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 14 [2018-10-26 21:51:02,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-26 21:51:02,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-26 21:51:02,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-26 21:51:02,560 INFO L87 Difference]: Start difference. First operand 57727 states and 64596 transitions. Second operand 15 states. [2018-10-26 21:51:14,729 WARN L179 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-10-26 21:51:48,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:48,925 INFO L93 Difference]: Finished difference Result 141629 states and 157297 transitions. [2018-10-26 21:51:48,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-26 21:51:48,926 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 370 [2018-10-26 21:51:48,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:49,030 INFO L225 Difference]: With dead ends: 141629 [2018-10-26 21:51:49,030 INFO L226 Difference]: Without dead ends: 83472 [2018-10-26 21:51:49,070 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2018-10-26 21:51:49,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83472 states. [2018-10-26 21:51:50,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83472 to 76074. [2018-10-26 21:51:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76074 states. [2018-10-26 21:51:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76074 states to 76074 states and 83262 transitions. [2018-10-26 21:51:50,507 INFO L78 Accepts]: Start accepts. Automaton has 76074 states and 83262 transitions. Word has length 370 [2018-10-26 21:51:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:50,507 INFO L481 AbstractCegarLoop]: Abstraction has 76074 states and 83262 transitions. [2018-10-26 21:51:50,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-26 21:51:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 76074 states and 83262 transitions. [2018-10-26 21:51:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-10-26 21:51:50,520 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:50,520 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, 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, 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] [2018-10-26 21:51:50,520 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:50,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:50,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1432881550, now seen corresponding path program 1 times [2018-10-26 21:51:50,521 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:51:50,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:51:50,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:51:50,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:50,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:51:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:50,993 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 5 [2018-10-26 21:51:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:51:51,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:51:51,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:51:51,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:51:51,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:51:51,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:51:51,128 INFO L87 Difference]: Start difference. First operand 76074 states and 83262 transitions. Second operand 4 states. [2018-10-26 21:51:56,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:56,279 INFO L93 Difference]: Finished difference Result 165349 states and 181457 transitions. [2018-10-26 21:51:56,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:51:56,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 419 [2018-10-26 21:51:56,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:56,388 INFO L225 Difference]: With dead ends: 165349 [2018-10-26 21:51:56,389 INFO L226 Difference]: Without dead ends: 86277 [2018-10-26 21:51:56,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 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 21:51:56,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86277 states. [2018-10-26 21:51:57,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86277 to 78175. [2018-10-26 21:51:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78175 states. [2018-10-26 21:51:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78175 states to 78175 states and 83730 transitions. [2018-10-26 21:51:57,884 INFO L78 Accepts]: Start accepts. Automaton has 78175 states and 83730 transitions. Word has length 419 [2018-10-26 21:51:57,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:57,885 INFO L481 AbstractCegarLoop]: Abstraction has 78175 states and 83730 transitions. [2018-10-26 21:51:57,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:51:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 78175 states and 83730 transitions. [2018-10-26 21:51:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-10-26 21:51:57,898 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:57,899 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 21:51:57,899 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:57,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:57,899 INFO L82 PathProgramCache]: Analyzing trace with hash -2028586934, now seen corresponding path program 1 times [2018-10-26 21:51:57,899 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:51:57,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:51:57,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:51:57,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:57,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:51:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:58,645 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-26 21:51:58,990 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2018-10-26 21:51:59,444 WARN L179 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2018-10-26 21:52:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 0 proven. 677 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:52:00,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:52:00,354 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:52:00,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:52:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:52:00,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:52:01,299 WARN L179 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-10-26 21:52:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-26 21:52:01,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 21:52:01,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 15 [2018-10-26 21:52:01,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-26 21:52:01,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-26 21:52:01,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-26 21:52:01,739 INFO L87 Difference]: Start difference. First operand 78175 states and 83730 transitions. Second operand 15 states. Received shutdown request... [2018-10-26 21:52:26,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-26 21:52:26,200 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 21:52:26,205 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 21:52:26,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:52:26 BoogieIcfgContainer [2018-10-26 21:52:26,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:52:26,206 INFO L168 Benchmark]: Toolchain (without parser) took 244398.64 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -592.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-26 21:52:26,208 INFO L168 Benchmark]: CDTParser took 0.25 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 21:52:26,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1581.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-26 21:52:26,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 616.98 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 821.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -943.9 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-26 21:52:26,211 INFO L168 Benchmark]: Boogie Preprocessor took 304.11 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2018-10-26 21:52:26,212 INFO L168 Benchmark]: RCFGBuilder took 9181.62 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 459.0 MB). Peak memory consumption was 459.0 MB. Max. memory is 7.1 GB. [2018-10-26 21:52:26,212 INFO L168 Benchmark]: TraceAbstraction took 232708.21 ms. Allocated memory was 2.4 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: -288.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-26 21:52:26,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1581.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 616.98 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 821.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -943.9 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 304.11 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9181.62 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 459.0 MB). Peak memory consumption was 459.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232708.21 ms. Allocated memory was 2.4 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: -288.3 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: 170]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 170). Cancelled while BasicCegarLoop was constructing difference of abstraction (78175states) and FLOYD_HOARE automaton (currently 25 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (8848 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 232.6s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 204.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4207 SDtfs, 26238 SDslu, 3167 SDs, 0 SdLazy, 58447 SolverSat, 5828 SolverUnsat, 33 SolverUnknown, 0 SolverNotchecked, 184.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1865 GetRequests, 1766 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78175occurred in iteration=10, 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: 5.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 34889 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 4757 NumberOfCodeBlocks, 4757 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4741 ConstructedInterpolants, 436 QuantifiedInterpolants, 14428336 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2350 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 3345/5347 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown