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/Problem13_label04_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:11:23,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:11:23,741 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:11:23,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:11:23,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:11:23,757 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:11:23,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:11:23,763 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:11:23,765 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:11:23,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:11:23,768 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:11:23,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:11:23,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:11:23,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:11:23,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:11:23,780 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:11:23,781 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:11:23,785 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:11:23,787 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:11:23,788 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:11:23,789 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:11:23,790 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:11:23,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-26 19:11:23,799 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 19:11:23,815 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:11:23,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:11:23,816 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:11:23,816 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:11:23,817 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:11:23,817 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:11:23,818 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:11:23,818 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:11:23,818 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:11:23,818 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:11:23,818 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:11:23,818 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:11:23,819 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:11:23,819 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:11:23,819 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:11:23,819 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:11:23,819 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:11:23,820 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:11:23,821 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:11:23,821 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:11:23,821 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:11:23,821 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:11:23,821 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:11:23,822 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:11:23,822 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:11:23,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:11:23,822 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:11:23,823 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:11:23,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:11:23,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:11:23,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:11:23,902 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:11:23,902 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:11:23,903 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c [2018-10-26 19:11:23,964 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e97af4dad/7de94842dceb42e18673cbde8fdcc232/FLAGe44790cb3 [2018-10-26 19:11:24,866 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:11:24,867 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label04_false-unreach-call.c [2018-10-26 19:11:24,899 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e97af4dad/7de94842dceb42e18673cbde8fdcc232/FLAGe44790cb3 [2018-10-26 19:11:24,914 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e97af4dad/7de94842dceb42e18673cbde8fdcc232 [2018-10-26 19:11:24,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:11:24,930 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:11:24,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:11:24,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:11:24,935 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:11:24,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:11:24" (1/1) ... [2018-10-26 19:11:24,939 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 07:11:24, skipping insertion in model container [2018-10-26 19:11:24,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:11:24" (1/1) ... [2018-10-26 19:11:24,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:11:25,126 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:11:26,551 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:11:26,556 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:11:27,306 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:11:27,343 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:11:27,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27 WrapperNode [2018-10-26 19:11:27,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:11:27,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:11:27,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:11:27,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:11:27,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:27,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:11:28,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:11:28,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:11:28,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:11:28,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (1/1) ... [2018-10-26 19:11:28,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:11:28,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:11:28,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:11:28,623 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:11:28,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (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 19:11:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:11:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:11:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:11:44,962 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:11:44,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:11:44 BoogieIcfgContainer [2018-10-26 19:11:44,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:11:44,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:11:44,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:11:44,967 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:11:44,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:11:24" (1/3) ... [2018-10-26 19:11:44,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53def84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:11:44, skipping insertion in model container [2018-10-26 19:11:44,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:11:27" (2/3) ... [2018-10-26 19:11:44,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53def84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:11:44, skipping insertion in model container [2018-10-26 19:11:44,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:11:44" (3/3) ... [2018-10-26 19:11:44,971 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label04_false-unreach-call.c [2018-10-26 19:11:44,981 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:11:44,992 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:11:45,010 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:11:45,057 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:11:45,058 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:11:45,058 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:11:45,058 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:11:45,058 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:11:45,059 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:11:45,059 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:11:45,059 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:11:45,059 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:11:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-10-26 19:11:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:11:45,114 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:11:45,115 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:11:45,117 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:11:45,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:11:45,126 INFO L82 PathProgramCache]: Analyzing trace with hash -809652462, now seen corresponding path program 1 times [2018-10-26 19:11:45,129 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:11:45,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:11:45,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:11:45,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:11:45,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:11:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:11:45,515 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 19:11:45,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:11:45,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:11:45,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:11:45,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:11:45,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:11:45,543 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 4 states. [2018-10-26 19:12:03,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:12:03,038 INFO L93 Difference]: Finished difference Result 3973 states and 7416 transitions. [2018-10-26 19:12:03,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:12:03,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-26 19:12:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:12:03,089 INFO L225 Difference]: With dead ends: 3973 [2018-10-26 19:12:03,090 INFO L226 Difference]: Without dead ends: 2867 [2018-10-26 19:12:03,103 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 19:12:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states. [2018-10-26 19:12:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 1938. [2018-10-26 19:12:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2018-10-26 19:12:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 3240 transitions. [2018-10-26 19:12:03,257 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 3240 transitions. Word has length 17 [2018-10-26 19:12:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:12:03,258 INFO L481 AbstractCegarLoop]: Abstraction has 1938 states and 3240 transitions. [2018-10-26 19:12:03,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:12:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 3240 transitions. [2018-10-26 19:12:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 19:12:03,265 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:12:03,265 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:12:03,266 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:12:03,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:12:03,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1179752616, now seen corresponding path program 1 times [2018-10-26 19:12:03,268 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:12:03,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:12:03,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:03,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:12:03,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:12:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:12:03,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:12:03,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:12:03,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:12:03,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:12:03,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:12:03,538 INFO L87 Difference]: Start difference. First operand 1938 states and 3240 transitions. Second operand 4 states. [2018-10-26 19:12:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:12:15,656 INFO L93 Difference]: Finished difference Result 7100 states and 12101 transitions. [2018-10-26 19:12:15,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:12:15,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-10-26 19:12:15,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:12:15,688 INFO L225 Difference]: With dead ends: 7100 [2018-10-26 19:12:15,688 INFO L226 Difference]: Without dead ends: 5164 [2018-10-26 19:12:15,693 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:12:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5164 states. [2018-10-26 19:12:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5164 to 3540. [2018-10-26 19:12:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3540 states. [2018-10-26 19:12:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 5445 transitions. [2018-10-26 19:12:15,776 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 5445 transitions. Word has length 89 [2018-10-26 19:12:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:12:15,776 INFO L481 AbstractCegarLoop]: Abstraction has 3540 states and 5445 transitions. [2018-10-26 19:12:15,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:12:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 5445 transitions. [2018-10-26 19:12:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 19:12:15,780 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:12:15,781 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:12:15,781 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:12:15,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:12:15,782 INFO L82 PathProgramCache]: Analyzing trace with hash 906656731, now seen corresponding path program 1 times [2018-10-26 19:12:15,782 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:12:15,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:12:15,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:15,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:12:15,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:12:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:12:16,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:12:16,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:12:16,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:12:16,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:12:16,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:12:16,013 INFO L87 Difference]: Start difference. First operand 3540 states and 5445 transitions. Second operand 4 states. [2018-10-26 19:12:34,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:12:34,405 INFO L93 Difference]: Finished difference Result 13555 states and 21081 transitions. [2018-10-26 19:12:34,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:12:34,412 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-10-26 19:12:34,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:12:34,459 INFO L225 Difference]: With dead ends: 13555 [2018-10-26 19:12:34,459 INFO L226 Difference]: Without dead ends: 10017 [2018-10-26 19:12:34,467 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 19:12:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10017 states. [2018-10-26 19:12:34,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10017 to 6718. [2018-10-26 19:12:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6718 states. [2018-10-26 19:12:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6718 states to 6718 states and 9885 transitions. [2018-10-26 19:12:34,613 INFO L78 Accepts]: Start accepts. Automaton has 6718 states and 9885 transitions. Word has length 103 [2018-10-26 19:12:34,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:12:34,613 INFO L481 AbstractCegarLoop]: Abstraction has 6718 states and 9885 transitions. [2018-10-26 19:12:34,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:12:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 6718 states and 9885 transitions. [2018-10-26 19:12:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 19:12:34,616 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:12:34,617 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:12:34,617 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:12:34,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:12:34,617 INFO L82 PathProgramCache]: Analyzing trace with hash -573138264, now seen corresponding path program 1 times [2018-10-26 19:12:34,618 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:12:34,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:12:34,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:34,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:12:34,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:12:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:12:34,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:12:34,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:12:34,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:12:34,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:12:34,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:12:34,964 INFO L87 Difference]: Start difference. First operand 6718 states and 9885 transitions. Second operand 4 states. [2018-10-26 19:12:50,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:12:50,253 INFO L93 Difference]: Finished difference Result 23855 states and 35012 transitions. [2018-10-26 19:12:50,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:12:50,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-10-26 19:12:50,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:12:50,316 INFO L225 Difference]: With dead ends: 23855 [2018-10-26 19:12:50,316 INFO L226 Difference]: Without dead ends: 17139 [2018-10-26 19:12:50,328 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 19:12:50,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17139 states. [2018-10-26 19:12:50,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17139 to 13037. [2018-10-26 19:12:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13037 states. [2018-10-26 19:12:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13037 states to 13037 states and 18976 transitions. [2018-10-26 19:12:50,594 INFO L78 Accepts]: Start accepts. Automaton has 13037 states and 18976 transitions. Word has length 121 [2018-10-26 19:12:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:12:50,595 INFO L481 AbstractCegarLoop]: Abstraction has 13037 states and 18976 transitions. [2018-10-26 19:12:50,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:12:50,595 INFO L276 IsEmpty]: Start isEmpty. Operand 13037 states and 18976 transitions. [2018-10-26 19:12:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-26 19:12:50,601 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:12:50,601 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:12:50,602 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:12:50,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:12:50,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1137380540, now seen corresponding path program 1 times [2018-10-26 19:12:50,605 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:12:50,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:12:50,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:50,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:12:50,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:12:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:12:51,232 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-26 19:12:51,566 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-10-26 19:12:52,092 WARN L179 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-10-26 19:12:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:12:52,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:12:52,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 19:12:52,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 19:12:52,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 19:12:52,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:12:52,145 INFO L87 Difference]: Start difference. First operand 13037 states and 18976 transitions. Second operand 6 states. [2018-10-26 19:13:11,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:13:11,642 INFO L93 Difference]: Finished difference Result 41151 states and 59128 transitions. [2018-10-26 19:13:11,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:13:11,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-10-26 19:13:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:13:11,697 INFO L225 Difference]: With dead ends: 41151 [2018-10-26 19:13:11,697 INFO L226 Difference]: Without dead ends: 28116 [2018-10-26 19:13:11,713 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:13:11,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28116 states. [2018-10-26 19:13:12,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28116 to 27248. [2018-10-26 19:13:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27248 states. [2018-10-26 19:13:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27248 states to 27248 states and 35784 transitions. [2018-10-26 19:13:12,073 INFO L78 Accepts]: Start accepts. Automaton has 27248 states and 35784 transitions. Word has length 129 [2018-10-26 19:13:12,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:13:12,074 INFO L481 AbstractCegarLoop]: Abstraction has 27248 states and 35784 transitions. [2018-10-26 19:13:12,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 19:13:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 27248 states and 35784 transitions. [2018-10-26 19:13:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 19:13:12,076 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:13:12,076 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:13:12,076 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:13:12,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:13:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1646760314, now seen corresponding path program 1 times [2018-10-26 19:13:12,077 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:13:12,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:13:12,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:12,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:13:12,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:13:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:13:12,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:13:12,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:13:12,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:13:12,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:13:12,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:13:12,483 INFO L87 Difference]: Start difference. First operand 27248 states and 35784 transitions. Second operand 5 states. [2018-10-26 19:13:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:13:35,842 INFO L93 Difference]: Finished difference Result 68929 states and 90709 transitions. [2018-10-26 19:13:35,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:13:35,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-26 19:13:35,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:13:35,942 INFO L225 Difference]: With dead ends: 68929 [2018-10-26 19:13:35,942 INFO L226 Difference]: Without dead ends: 41682 [2018-10-26 19:13:35,973 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:13:36,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41682 states. [2018-10-26 19:13:36,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41682 to 39902. [2018-10-26 19:13:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39902 states. [2018-10-26 19:13:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39902 states to 39902 states and 51943 transitions. [2018-10-26 19:13:36,469 INFO L78 Accepts]: Start accepts. Automaton has 39902 states and 51943 transitions. Word has length 143 [2018-10-26 19:13:36,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:13:36,470 INFO L481 AbstractCegarLoop]: Abstraction has 39902 states and 51943 transitions. [2018-10-26 19:13:36,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:13:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 39902 states and 51943 transitions. [2018-10-26 19:13:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 19:13:36,474 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:13:36,474 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:13:36,474 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:13:36,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:13:36,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1978214106, now seen corresponding path program 1 times [2018-10-26 19:13:36,475 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:13:36,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:13:36,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:36,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:13:36,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:13:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:13:36,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:13:36,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:13:36,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:13:36,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:13:36,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:13:36,919 INFO L87 Difference]: Start difference. First operand 39902 states and 51943 transitions. Second operand 5 states. [2018-10-26 19:13:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:13:58,848 INFO L93 Difference]: Finished difference Result 109288 states and 144566 transitions. [2018-10-26 19:13:58,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:13:58,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2018-10-26 19:13:58,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:13:58,945 INFO L225 Difference]: With dead ends: 109288 [2018-10-26 19:13:58,946 INFO L226 Difference]: Without dead ends: 69388 [2018-10-26 19:13:58,988 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:13:59,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69388 states. [2018-10-26 19:13:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69388 to 69182. [2018-10-26 19:13:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69182 states. [2018-10-26 19:13:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69182 states to 69182 states and 89261 transitions. [2018-10-26 19:13:59,737 INFO L78 Accepts]: Start accepts. Automaton has 69182 states and 89261 transitions. Word has length 200 [2018-10-26 19:13:59,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:13:59,737 INFO L481 AbstractCegarLoop]: Abstraction has 69182 states and 89261 transitions. [2018-10-26 19:13:59,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:13:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 69182 states and 89261 transitions. [2018-10-26 19:13:59,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-26 19:13:59,741 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:13:59,741 INFO L375 BasicCegarLoop]: trace histogram [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, 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 19:13:59,741 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:13:59,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:13:59,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1221191741, now seen corresponding path program 1 times [2018-10-26 19:13:59,742 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:13:59,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:13:59,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:59,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:13:59,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:14:00,462 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:14:00,462 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 19:14:00,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:00,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:14:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:14:00,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:14:00,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-26 19:14:00,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:14:00,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:14:00,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:14:00,682 INFO L87 Difference]: Start difference. First operand 69182 states and 89261 transitions. Second operand 4 states. [2018-10-26 19:14:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:14:13,629 INFO L93 Difference]: Finished difference Result 211709 states and 274686 transitions. [2018-10-26 19:14:13,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:14:13,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 229 [2018-10-26 19:14:13,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:14:13,880 INFO L225 Difference]: With dead ends: 211709 [2018-10-26 19:14:13,880 INFO L226 Difference]: Without dead ends: 142529 [2018-10-26 19:14:13,947 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 229 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 19:14:14,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142529 states. [2018-10-26 19:14:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142529 to 114094. [2018-10-26 19:14:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114094 states. [2018-10-26 19:14:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114094 states to 114094 states and 143186 transitions. [2018-10-26 19:14:16,223 INFO L78 Accepts]: Start accepts. Automaton has 114094 states and 143186 transitions. Word has length 229 [2018-10-26 19:14:16,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:14:16,224 INFO L481 AbstractCegarLoop]: Abstraction has 114094 states and 143186 transitions. [2018-10-26 19:14:16,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:14:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 114094 states and 143186 transitions. [2018-10-26 19:14:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-26 19:14:16,230 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:14:16,231 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:14:16,231 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:14:16,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:14:16,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1638924910, now seen corresponding path program 1 times [2018-10-26 19:14:16,231 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:14:16,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:14:16,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:16,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:16,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:14:16,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:14:16,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:14:16,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:14:16,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:14:16,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:14:16,475 INFO L87 Difference]: Start difference. First operand 114094 states and 143186 transitions. Second operand 3 states. [2018-10-26 19:14:23,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:14:23,187 INFO L93 Difference]: Finished difference Result 227371 states and 285731 transitions. [2018-10-26 19:14:23,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:14:23,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2018-10-26 19:14:23,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:14:23,325 INFO L225 Difference]: With dead ends: 227371 [2018-10-26 19:14:23,325 INFO L226 Difference]: Without dead ends: 114067 [2018-10-26 19:14:23,400 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 19:14:23,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114067 states. [2018-10-26 19:14:25,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114067 to 113269. [2018-10-26 19:14:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113269 states. [2018-10-26 19:14:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113269 states to 113269 states and 133233 transitions. [2018-10-26 19:14:25,392 INFO L78 Accepts]: Start accepts. Automaton has 113269 states and 133233 transitions. Word has length 258 [2018-10-26 19:14:25,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:14:25,393 INFO L481 AbstractCegarLoop]: Abstraction has 113269 states and 133233 transitions. [2018-10-26 19:14:25,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:14:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 113269 states and 133233 transitions. [2018-10-26 19:14:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-10-26 19:14:25,404 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:14:25,404 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-26 19:14:25,404 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:14:25,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:14:25,405 INFO L82 PathProgramCache]: Analyzing trace with hash 654159450, now seen corresponding path program 1 times [2018-10-26 19:14:25,405 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:14:25,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:14:25,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:25,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:25,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 189 proven. 1 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-26 19:14:25,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:14:25,783 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 19:14:25,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:25,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:14:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:14:26,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:14:26,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-10-26 19:14:26,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:14:26,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:14:26,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:14:26,151 INFO L87 Difference]: Start difference. First operand 113269 states and 133233 transitions. Second operand 5 states. [2018-10-26 19:14:39,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:14:39,668 INFO L93 Difference]: Finished difference Result 313989 states and 369814 transitions. [2018-10-26 19:14:39,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:14:39,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 304 [2018-10-26 19:14:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:14:39,890 INFO L225 Difference]: With dead ends: 313989 [2018-10-26 19:14:39,891 INFO L226 Difference]: Without dead ends: 191236 [2018-10-26 19:14:39,958 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 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 19:14:40,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191236 states. [2018-10-26 19:14:41,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191236 to 182542. [2018-10-26 19:14:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182542 states. [2018-10-26 19:14:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182542 states to 182542 states and 205192 transitions. [2018-10-26 19:14:41,611 INFO L78 Accepts]: Start accepts. Automaton has 182542 states and 205192 transitions. Word has length 304 [2018-10-26 19:14:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:14:41,611 INFO L481 AbstractCegarLoop]: Abstraction has 182542 states and 205192 transitions. [2018-10-26 19:14:41,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:14:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 182542 states and 205192 transitions. [2018-10-26 19:14:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-26 19:14:41,617 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:14:41,617 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:41,617 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:14:41,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:14:41,618 INFO L82 PathProgramCache]: Analyzing trace with hash -901331647, now seen corresponding path program 1 times [2018-10-26 19:14:41,618 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:14:41,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:14:41,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:41,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:41,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:14:41,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:14:41,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:14:41,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:14:41,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:14:41,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:14:41,963 INFO L87 Difference]: Start difference. First operand 182542 states and 205192 transitions. Second operand 4 states. [2018-10-26 19:14:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:14:56,443 INFO L93 Difference]: Finished difference Result 458904 states and 515554 transitions. [2018-10-26 19:14:56,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:14:56,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 324 [2018-10-26 19:14:56,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:14:57,881 INFO L225 Difference]: With dead ends: 458904 [2018-10-26 19:14:57,882 INFO L226 Difference]: Without dead ends: 273990 [2018-10-26 19:14:57,963 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 19:14:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273990 states. [2018-10-26 19:15:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273990 to 260543. [2018-10-26 19:15:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260543 states. [2018-10-26 19:15:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260543 states to 260543 states and 286984 transitions. [2018-10-26 19:15:01,771 INFO L78 Accepts]: Start accepts. Automaton has 260543 states and 286984 transitions. Word has length 324 [2018-10-26 19:15:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:15:01,772 INFO L481 AbstractCegarLoop]: Abstraction has 260543 states and 286984 transitions. [2018-10-26 19:15:01,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:15:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 260543 states and 286984 transitions. [2018-10-26 19:15:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-10-26 19:15:01,778 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:15:01,778 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 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 19:15:01,778 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:15:01,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:15:01,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1286046502, now seen corresponding path program 1 times [2018-10-26 19:15:01,779 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:15:01,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:15:01,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:15:01,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:15:01,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:15:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:15:02,189 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-26 19:15:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 19:15:02,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:15:02,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:15:02,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:15:02,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:15:02,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:15:02,285 INFO L87 Difference]: Start difference. First operand 260543 states and 286984 transitions. Second operand 4 states. [2018-10-26 19:15:17,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:15:17,976 INFO L93 Difference]: Finished difference Result 532118 states and 585428 transitions. [2018-10-26 19:15:17,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:15:17,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 375 [2018-10-26 19:15:17,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:15:18,253 INFO L225 Difference]: With dead ends: 532118 [2018-10-26 19:15:18,254 INFO L226 Difference]: Without dead ends: 259720 [2018-10-26 19:15:18,341 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 19:15:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259720 states. Received shutdown request... [2018-10-26 19:15:26,664 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 19:15:26,668 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 19:15:26,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:15:26 BoogieIcfgContainer [2018-10-26 19:15:26,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:15:26,669 INFO L168 Benchmark]: Toolchain (without parser) took 241740.50 ms. Allocated memory was 1.5 GB in the beginning and 4.6 GB in the end (delta: 3.1 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2018-10-26 19:15:26,670 INFO L168 Benchmark]: CDTParser took 0.30 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 19:15:26,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2413.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-26 19:15:26,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 778.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 812.6 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2018-10-26 19:15:26,672 INFO L168 Benchmark]: Boogie Preprocessor took 498.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2018-10-26 19:15:26,673 INFO L168 Benchmark]: RCFGBuilder took 16340.41 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 233.8 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 55.8 MB). Peak memory consumption was 602.0 MB. Max. memory is 7.1 GB. [2018-10-26 19:15:26,674 INFO L168 Benchmark]: TraceAbstraction took 221704.25 ms. Allocated memory was 2.6 GB in the beginning and 4.6 GB in the end (delta: 2.0 GB). Free memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-26 19:15:26,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 2413.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 778.51 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 812.6 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 498.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16340.41 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 233.8 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 55.8 MB). Peak memory consumption was 602.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221704.25 ms. Allocated memory was 2.6 GB in the beginning and 4.6 GB in the end (delta: 2.0 GB). Free memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 60). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 221.6s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 194.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10517 SDtfs, 25995 SDslu, 4265 SDs, 0 SdLazy, 71482 SolverSat, 13735 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 160.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 575 GetRequests, 544 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260543occurred in iteration=11, 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: 20.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 64182 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2825 NumberOfCodeBlocks, 2825 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2811 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000963 SizeOfPredicates, 1 NumberOfNonLiveVariables, 755 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1622/1627 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown