java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label21_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 19:42:15,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 19:42:15,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 19:42:15,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 19:42:15,675 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 19:42:15,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 19:42:15,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 19:42:15,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 19:42:15,683 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 19:42:15,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 19:42:15,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 19:42:15,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 19:42:15,686 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 19:42:15,687 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 19:42:15,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 19:42:15,689 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 19:42:15,690 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 19:42:15,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 19:42:15,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 19:42:15,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 19:42:15,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 19:42:15,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 19:42:15,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 19:42:15,721 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 19:42:15,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 19:42:15,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 19:42:15,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 19:42:15,738 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 19:42:15,738 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 19:42:15,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 19:42:15,739 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 19:42:15,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 19:42:15,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 19:42:15,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 19:42:15,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 19:42:15,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 19:42:15,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 19:42:15,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 19:42:15,740 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 19:42:15,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 19:42:15,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 19:42:15,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 19:42:15,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 19:42:15,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 19:42:15,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 19:42:15,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 19:42:15,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 19:42:15,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 19:42:15,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 19:42:15,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 19:42:15,743 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 19:42:15,743 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 19:42:15,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 19:42:15,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 19:42:15,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 19:42:15,827 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 19:42:15,827 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 19:42:15,828 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label21_false-unreach-call.c [2018-11-06 19:42:15,894 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bcea053f/63229c6b6da84c30b22f9b459d418c5d/FLAGec7068c17 [2018-11-06 19:42:16,775 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 19:42:16,776 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label21_false-unreach-call.c [2018-11-06 19:42:16,827 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bcea053f/63229c6b6da84c30b22f9b459d418c5d/FLAGec7068c17 [2018-11-06 19:42:16,846 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bcea053f/63229c6b6da84c30b22f9b459d418c5d [2018-11-06 19:42:16,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 19:42:16,865 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 19:42:16,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 19:42:16,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 19:42:16,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 19:42:16,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:42:16" (1/1) ... [2018-11-06 19:42:16,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d6e334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:16, skipping insertion in model container [2018-11-06 19:42:16,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:42:16" (1/1) ... [2018-11-06 19:42:16,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 19:42:17,146 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 19:42:19,146 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:42:19,151 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 19:42:20,369 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:42:20,429 INFO L193 MainTranslator]: Completed translation [2018-11-06 19:42:20,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20 WrapperNode [2018-11-06 19:42:20,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 19:42:20,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 19:42:20,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 19:42:20,431 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 19:42:20,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:20,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:21,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 19:42:21,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 19:42:21,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 19:42:21,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 19:42:21,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:21,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:21,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:21,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:22,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:22,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:22,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... [2018-11-06 19:42:22,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 19:42:22,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 19:42:22,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 19:42:22,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 19:42:22,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 19:42:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 19:42:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 19:42:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 19:42:38,667 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 19:42:38,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:42:38 BoogieIcfgContainer [2018-11-06 19:42:38,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 19:42:38,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 19:42:38,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 19:42:38,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 19:42:38,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:42:16" (1/3) ... [2018-11-06 19:42:38,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5154e86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:42:38, skipping insertion in model container [2018-11-06 19:42:38,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:42:20" (2/3) ... [2018-11-06 19:42:38,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5154e86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:42:38, skipping insertion in model container [2018-11-06 19:42:38,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:42:38" (3/3) ... [2018-11-06 19:42:38,676 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label21_false-unreach-call.c [2018-11-06 19:42:38,685 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 19:42:38,695 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 19:42:38,713 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 19:42:38,768 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 19:42:38,769 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 19:42:38,769 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 19:42:38,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 19:42:38,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 19:42:38,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 19:42:38,769 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 19:42:38,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 19:42:38,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 19:42:38,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-11-06 19:42:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-06 19:42:38,837 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:42:38,838 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:42:38,841 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:42:38,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:42:38,848 INFO L82 PathProgramCache]: Analyzing trace with hash 666618706, now seen corresponding path program 1 times [2018-11-06 19:42:38,851 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:42:38,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:42:38,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:42:38,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:42:38,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:42:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:42:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:42:39,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:42:39,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-06 19:42:39,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 19:42:39,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 19:42:39,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 19:42:39,089 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 3 states. [2018-11-06 19:42:52,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:42:52,099 INFO L93 Difference]: Finished difference Result 4922 states and 9316 transitions. [2018-11-06 19:42:52,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 19:42:52,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-06 19:42:52,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:42:52,150 INFO L225 Difference]: With dead ends: 4922 [2018-11-06 19:42:52,150 INFO L226 Difference]: Without dead ends: 3169 [2018-11-06 19:42:52,160 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 19:42:52,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3169 states. [2018-11-06 19:42:52,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3169 to 3168. [2018-11-06 19:42:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3168 states. [2018-11-06 19:42:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 5255 transitions. [2018-11-06 19:42:52,341 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 5255 transitions. Word has length 16 [2018-11-06 19:42:52,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:42:52,342 INFO L480 AbstractCegarLoop]: Abstraction has 3168 states and 5255 transitions. [2018-11-06 19:42:52,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 19:42:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 5255 transitions. [2018-11-06 19:42:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-06 19:42:52,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:42:52,346 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-06 19:42:52,346 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:42:52,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:42:52,347 INFO L82 PathProgramCache]: Analyzing trace with hash -388749078, now seen corresponding path program 1 times [2018-11-06 19:42:52,347 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:42:52,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:42:52,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:42:52,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:42:52,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:42:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:42:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:42:52,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:42:52,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:42:52,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:42:52,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:42:52,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:42:52,732 INFO L87 Difference]: Start difference. First operand 3168 states and 5255 transitions. Second operand 4 states. [2018-11-06 19:43:14,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:43:14,252 INFO L93 Difference]: Finished difference Result 12008 states and 20113 transitions. [2018-11-06 19:43:14,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:43:14,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2018-11-06 19:43:14,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:43:14,300 INFO L225 Difference]: With dead ends: 12008 [2018-11-06 19:43:14,300 INFO L226 Difference]: Without dead ends: 8842 [2018-11-06 19:43:14,307 INFO L604 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 [2018-11-06 19:43:14,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8842 states. [2018-11-06 19:43:14,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8842 to 5903. [2018-11-06 19:43:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5903 states. [2018-11-06 19:43:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5903 states and 9592 transitions. [2018-11-06 19:43:14,456 INFO L78 Accepts]: Start accepts. Automaton has 5903 states and 9592 transitions. Word has length 86 [2018-11-06 19:43:14,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:43:14,457 INFO L480 AbstractCegarLoop]: Abstraction has 5903 states and 9592 transitions. [2018-11-06 19:43:14,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:43:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 5903 states and 9592 transitions. [2018-11-06 19:43:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-06 19:43:14,464 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:43:14,464 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-06 19:43:14,465 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:43:14,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:43:14,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1312265824, now seen corresponding path program 1 times [2018-11-06 19:43:14,465 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:43:14,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:43:14,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:43:14,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:43:14,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:43:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:43:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:43:14,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:43:14,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 19:43:14,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 19:43:14,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 19:43:14,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 19:43:14,895 INFO L87 Difference]: Start difference. First operand 5903 states and 9592 transitions. Second operand 5 states. [2018-11-06 19:43:27,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:43:27,882 INFO L93 Difference]: Finished difference Result 14545 states and 23014 transitions. [2018-11-06 19:43:27,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:43:27,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-11-06 19:43:27,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:43:27,927 INFO L225 Difference]: With dead ends: 14545 [2018-11-06 19:43:27,928 INFO L226 Difference]: Without dead ends: 8644 [2018-11-06 19:43:27,936 INFO L604 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 [2018-11-06 19:43:27,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8644 states. [2018-11-06 19:43:28,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8644 to 8640. [2018-11-06 19:43:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8640 states. [2018-11-06 19:43:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8640 states to 8640 states and 12390 transitions. [2018-11-06 19:43:28,102 INFO L78 Accepts]: Start accepts. Automaton has 8640 states and 12390 transitions. Word has length 91 [2018-11-06 19:43:28,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:43:28,103 INFO L480 AbstractCegarLoop]: Abstraction has 8640 states and 12390 transitions. [2018-11-06 19:43:28,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 19:43:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 8640 states and 12390 transitions. [2018-11-06 19:43:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-06 19:43:28,105 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:43:28,105 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-06 19:43:28,106 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:43:28,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:43:28,106 INFO L82 PathProgramCache]: Analyzing trace with hash -235810371, now seen corresponding path program 1 times [2018-11-06 19:43:28,106 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:43:28,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:43:28,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:43:28,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:43:28,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:43:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:43:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:43:28,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:43:28,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:43:28,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:43:28,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:43:28,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:43:28,429 INFO L87 Difference]: Start difference. First operand 8640 states and 12390 transitions. Second operand 4 states. [2018-11-06 19:43:43,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:43:43,879 INFO L93 Difference]: Finished difference Result 33782 states and 48567 transitions. [2018-11-06 19:43:43,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:43:43,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-06 19:43:43,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:43:43,956 INFO L225 Difference]: With dead ends: 33782 [2018-11-06 19:43:43,956 INFO L226 Difference]: Without dead ends: 25144 [2018-11-06 19:43:43,975 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:43:43,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25144 states. [2018-11-06 19:43:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25144 to 16851. [2018-11-06 19:43:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16851 states. [2018-11-06 19:43:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16851 states to 16851 states and 21746 transitions. [2018-11-06 19:43:44,338 INFO L78 Accepts]: Start accepts. Automaton has 16851 states and 21746 transitions. Word has length 108 [2018-11-06 19:43:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:43:44,339 INFO L480 AbstractCegarLoop]: Abstraction has 16851 states and 21746 transitions. [2018-11-06 19:43:44,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:43:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 16851 states and 21746 transitions. [2018-11-06 19:43:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-06 19:43:44,341 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:43:44,341 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-06 19:43:44,341 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:43:44,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:43:44,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1541472050, now seen corresponding path program 1 times [2018-11-06 19:43:44,342 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:43:44,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:43:44,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:43:44,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:43:44,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:43:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:43:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:43:44,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:43:44,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:43:44,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:43:44,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:43:44,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:43:44,672 INFO L87 Difference]: Start difference. First operand 16851 states and 21746 transitions. Second operand 4 states. [2018-11-06 19:43:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:43:59,396 INFO L93 Difference]: Finished difference Result 64022 states and 83146 transitions. [2018-11-06 19:43:59,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:43:59,397 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-11-06 19:43:59,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:43:59,482 INFO L225 Difference]: With dead ends: 64022 [2018-11-06 19:43:59,482 INFO L226 Difference]: Without dead ends: 47173 [2018-11-06 19:43:59,510 INFO L604 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 [2018-11-06 19:43:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47173 states. [2018-11-06 19:44:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47173 to 47161. [2018-11-06 19:44:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47161 states. [2018-11-06 19:44:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47161 states to 47161 states and 55554 transitions. [2018-11-06 19:44:00,578 INFO L78 Accepts]: Start accepts. Automaton has 47161 states and 55554 transitions. Word has length 114 [2018-11-06 19:44:00,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:44:00,578 INFO L480 AbstractCegarLoop]: Abstraction has 47161 states and 55554 transitions. [2018-11-06 19:44:00,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:44:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 47161 states and 55554 transitions. [2018-11-06 19:44:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-06 19:44:00,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:44:00,589 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:44:00,589 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:44:00,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:44:00,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1219595665, now seen corresponding path program 1 times [2018-11-06 19:44:00,593 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:44:00,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:44:00,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:44:00,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:44:00,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:44:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:44:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:44:00,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:44:00,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 19:44:00,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:44:00,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:44:00,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:44:00,963 INFO L87 Difference]: Start difference. First operand 47161 states and 55554 transitions. Second operand 4 states. [2018-11-06 19:44:16,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:44:16,131 INFO L93 Difference]: Finished difference Result 125772 states and 151183 transitions. [2018-11-06 19:44:16,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:44:16,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 224 [2018-11-06 19:44:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:44:16,225 INFO L225 Difference]: With dead ends: 125772 [2018-11-06 19:44:16,225 INFO L226 Difference]: Without dead ends: 78613 [2018-11-06 19:44:16,269 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:44:16,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78613 states. [2018-11-06 19:44:16,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78613 to 78602. [2018-11-06 19:44:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78602 states. [2018-11-06 19:44:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78602 states to 78602 states and 91268 transitions. [2018-11-06 19:44:17,074 INFO L78 Accepts]: Start accepts. Automaton has 78602 states and 91268 transitions. Word has length 224 [2018-11-06 19:44:17,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:44:17,075 INFO L480 AbstractCegarLoop]: Abstraction has 78602 states and 91268 transitions. [2018-11-06 19:44:17,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:44:17,075 INFO L276 IsEmpty]: Start isEmpty. Operand 78602 states and 91268 transitions. [2018-11-06 19:44:17,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2018-11-06 19:44:17,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:44:17,093 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:44:17,094 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:44:17,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:44:17,094 INFO L82 PathProgramCache]: Analyzing trace with hash -2076658619, now seen corresponding path program 1 times [2018-11-06 19:44:17,094 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:44:17,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:44:17,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:44:17,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:44:17,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:44:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:44:17,978 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-06 19:44:18,592 WARN L179 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2018-11-06 19:44:18,763 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2018-11-06 19:44:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-06 19:44:20,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:44:20,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-06 19:44:20,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-06 19:44:20,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-06 19:44:20,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-06 19:44:20,438 INFO L87 Difference]: Start difference. First operand 78602 states and 91268 transitions. Second operand 8 states. [2018-11-06 19:44:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:44:39,339 INFO L93 Difference]: Finished difference Result 216496 states and 252249 transitions. [2018-11-06 19:44:39,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-06 19:44:39,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 684 [2018-11-06 19:44:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:44:39,495 INFO L225 Difference]: With dead ends: 216496 [2018-11-06 19:44:39,495 INFO L226 Difference]: Without dead ends: 137896 [2018-11-06 19:44:39,545 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-11-06 19:44:39,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137896 states. [2018-11-06 19:44:40,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137896 to 79968. [2018-11-06 19:44:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79968 states. [2018-11-06 19:44:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79968 states to 79968 states and 92640 transitions. [2018-11-06 19:44:40,601 INFO L78 Accepts]: Start accepts. Automaton has 79968 states and 92640 transitions. Word has length 684 [2018-11-06 19:44:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:44:40,602 INFO L480 AbstractCegarLoop]: Abstraction has 79968 states and 92640 transitions. [2018-11-06 19:44:40,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-06 19:44:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 79968 states and 92640 transitions. [2018-11-06 19:44:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2018-11-06 19:44:40,629 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:44:40,630 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:44:40,630 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:44:40,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:44:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash -319261357, now seen corresponding path program 1 times [2018-11-06 19:44:40,631 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:44:40,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:44:40,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:44:40,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:44:40,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:44:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:44:41,465 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-11-06 19:44:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-06 19:44:41,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:44:41,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 19:44:41,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 19:44:41,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 19:44:41,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 19:44:41,889 INFO L87 Difference]: Start difference. First operand 79968 states and 92640 transitions. Second operand 5 states. [2018-11-06 19:45:05,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:45:05,787 INFO L93 Difference]: Finished difference Result 291246 states and 342459 transitions. [2018-11-06 19:45:05,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 19:45:05,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 803 [2018-11-06 19:45:05,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:45:06,034 INFO L225 Difference]: With dead ends: 291246 [2018-11-06 19:45:06,034 INFO L226 Difference]: Without dead ends: 212646 [2018-11-06 19:45:06,085 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 19:45:06,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212646 states. [2018-11-06 19:45:07,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212646 to 159202. [2018-11-06 19:45:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159202 states. [2018-11-06 19:45:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159202 states to 159202 states and 184599 transitions. [2018-11-06 19:45:07,702 INFO L78 Accepts]: Start accepts. Automaton has 159202 states and 184599 transitions. Word has length 803 [2018-11-06 19:45:07,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:45:07,703 INFO L480 AbstractCegarLoop]: Abstraction has 159202 states and 184599 transitions. [2018-11-06 19:45:07,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 19:45:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 159202 states and 184599 transitions. [2018-11-06 19:45:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2018-11-06 19:45:07,713 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:45:07,714 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:45:07,714 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:45:07,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:45:07,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1301963741, now seen corresponding path program 1 times [2018-11-06 19:45:07,715 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:45:07,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:45:07,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:45:07,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:45:07,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:45:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:45:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2018-11-06 19:45:09,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:45:09,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 19:45:09,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:45:09,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:45:09,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:45:09,342 INFO L87 Difference]: Start difference. First operand 159202 states and 184599 transitions. Second operand 4 states. [2018-11-06 19:45:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:45:30,703 INFO L93 Difference]: Finished difference Result 546684 states and 631872 transitions. [2018-11-06 19:45:30,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:45:30,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 898 [2018-11-06 19:45:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:45:31,223 INFO L225 Difference]: With dead ends: 546684 [2018-11-06 19:45:31,223 INFO L226 Difference]: Without dead ends: 388850 [2018-11-06 19:45:31,304 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:45:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388850 states. [2018-11-06 19:45:35,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388850 to 375046. [2018-11-06 19:45:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375046 states. [2018-11-06 19:45:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375046 states to 375046 states and 422166 transitions. [2018-11-06 19:45:36,300 INFO L78 Accepts]: Start accepts. Automaton has 375046 states and 422166 transitions. Word has length 898 [2018-11-06 19:45:36,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:45:36,302 INFO L480 AbstractCegarLoop]: Abstraction has 375046 states and 422166 transitions. [2018-11-06 19:45:36,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:45:36,302 INFO L276 IsEmpty]: Start isEmpty. Operand 375046 states and 422166 transitions. [2018-11-06 19:45:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1195 [2018-11-06 19:45:36,336 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:45:36,338 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:45:36,338 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:45:36,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:45:36,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1012715679, now seen corresponding path program 1 times [2018-11-06 19:45:36,339 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:45:36,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:45:36,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:45:36,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:45:36,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:45:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:45:37,505 WARN L179 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-11-06 19:45:37,827 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2018-11-06 19:45:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 635 proven. 4 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2018-11-06 19:45:41,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 19:45:41,557 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 19:45:41,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:45:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:45:42,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 19:45:44,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 639 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Abandoning pump threads because process wont die! [2018-11-06 19:45:50,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 19:45:50,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-06 19:45:50,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 19:45:50,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 19:45:50,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-06 19:45:50,423 INFO L87 Difference]: Start difference. First operand 375046 states and 422166 transitions. Second operand 5 states. [2018-11-06 19:45:52,286 WARN L179 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 Received shutdown request... [2018-11-06 19:46:00,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-06 19:46:00,927 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 19:46:00,933 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 19:46:00,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:46:00 BoogieIcfgContainer [2018-11-06 19:46:00,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 19:46:00,934 INFO L168 Benchmark]: Toolchain (without parser) took 224072.03 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 3.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-06 19:46:00,935 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 19:46:00,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3563.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 978.1 MB in the end (delta: 402.5 MB). Peak memory consumption was 402.5 MB. Max. memory is 7.1 GB. [2018-11-06 19:46:00,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 1131.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 835.2 MB). Free memory was 978.1 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. [2018-11-06 19:46:00,937 INFO L168 Benchmark]: Boogie Preprocessor took 860.59 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. [2018-11-06 19:46:00,938 INFO L168 Benchmark]: RCFGBuilder took 16244.46 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 286.3 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -427.5 MB). Peak memory consumption was 843.2 MB. Max. memory is 7.1 GB. [2018-11-06 19:46:00,939 INFO L168 Benchmark]: TraceAbstraction took 202264.65 ms. Allocated memory was 2.6 GB in the beginning and 4.6 GB in the end (delta: 2.0 GB). Free memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: -830.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-06 19:46:00,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3563.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 978.1 MB in the end (delta: 402.5 MB). Peak memory consumption was 402.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1131.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 835.2 MB). Free memory was 978.1 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 860.59 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16244.46 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 286.3 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -427.5 MB). Peak memory consumption was 843.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202264.65 ms. Allocated memory was 2.6 GB in the beginning and 4.6 GB in the end (delta: 2.0 GB). Free memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: -830.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 61). Cancelled while BasicCegarLoop was constructing difference of abstraction (375046states) and FLOYD_HOARE automaton (currently 6 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (38976 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 202.1s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 169.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12880 SDtfs, 39874 SDslu, 9107 SDs, 0 SdLazy, 81668 SolverSat, 23191 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 135.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1252 GetRequests, 1206 SyntacticMatches, 11 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375046occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 10.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 136436 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 5412 NumberOfCodeBlocks, 5412 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 5401 ConstructedInterpolants, 0 QuantifiedInterpolants, 15521715 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1352 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 3252/3256 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown