java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:48:14,902 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:48:14,907 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:48:14,919 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:48:14,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:48:14,921 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:48:14,922 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:48:14,924 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:48:14,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:48:14,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:48:14,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:48:14,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:48:14,929 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:48:14,930 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:48:14,931 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:48:14,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:48:14,932 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:48:14,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:48:14,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:48:14,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:48:14,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:48:14,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:48:14,945 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 16:48:14,963 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:48:14,988 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:48:14,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:48:14,989 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:48:14,989 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:48:14,990 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:48:14,990 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:48:14,990 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:48:14,990 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:48:14,990 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:48:14,991 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:48:14,991 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:48:14,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:48:14,991 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:48:14,991 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:48:14,992 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:48:14,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:48:14,992 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:48:14,992 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:48:14,992 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:48:14,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:48:14,993 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:48:14,993 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:48:14,993 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:48:14,993 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:48:14,994 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:48:14,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:48:14,994 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:48:14,994 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:48:15,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:48:15,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:48:15,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:48:15,056 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:48:15,056 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:48:15,057 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label22_true-unreach-call.c [2018-10-24 16:48:15,116 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9f5b87dba/5ac5fb169ead44078e27bf34f0561e9f/FLAG5f8a23a41 [2018-10-24 16:48:15,856 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:48:15,857 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label22_true-unreach-call.c [2018-10-24 16:48:15,879 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9f5b87dba/5ac5fb169ead44078e27bf34f0561e9f/FLAG5f8a23a41 [2018-10-24 16:48:15,896 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9f5b87dba/5ac5fb169ead44078e27bf34f0561e9f [2018-10-24 16:48:15,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:48:15,909 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:48:15,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:48:15,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:48:15,915 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:48:15,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:48:15" (1/1) ... [2018-10-24 16:48:15,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639b200f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:15, skipping insertion in model container [2018-10-24 16:48:15,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:48:15" (1/1) ... [2018-10-24 16:48:15,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:48:16,051 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:48:17,119 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:48:17,124 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:48:17,555 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:48:17,579 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:48:17,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17 WrapperNode [2018-10-24 16:48:17,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:48:17,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:48:17,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:48:17,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:48:17,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:17,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:48:18,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:48:18,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:48:18,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:48:18,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... [2018-10-24 16:48:18,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:48:18,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:48:18,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:48:18,435 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:48:18,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:48:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:48:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:48:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:48:29,242 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:48:29,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:48:29 BoogieIcfgContainer [2018-10-24 16:48:29,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:48:29,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:48:29,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:48:29,249 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:48:29,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:48:15" (1/3) ... [2018-10-24 16:48:29,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76954d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:48:29, skipping insertion in model container [2018-10-24 16:48:29,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:48:17" (2/3) ... [2018-10-24 16:48:29,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76954d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:48:29, skipping insertion in model container [2018-10-24 16:48:29,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:48:29" (3/3) ... [2018-10-24 16:48:29,256 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label22_true-unreach-call.c [2018-10-24 16:48:29,269 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:48:29,285 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:48:29,302 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:48:29,344 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:48:29,345 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:48:29,345 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:48:29,345 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:48:29,345 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:48:29,345 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:48:29,346 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:48:29,346 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:48:29,346 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:48:29,382 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-10-24 16:48:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-24 16:48:29,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:48:29,393 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:48:29,396 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:48:29,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:48:29,402 INFO L82 PathProgramCache]: Analyzing trace with hash -2139005982, now seen corresponding path program 1 times [2018-10-24 16:48:29,404 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:48:29,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:48:29,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:48:29,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:48:29,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:48:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:48:29,941 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 16:48:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:48:29,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:48:29,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:48:29,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:48:29,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:48:29,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:48:29,982 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-10-24 16:48:41,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:48:41,603 INFO L93 Difference]: Finished difference Result 2122 states and 3950 transitions. [2018-10-24 16:48:41,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:48:41,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-10-24 16:48:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:48:41,645 INFO L225 Difference]: With dead ends: 2122 [2018-10-24 16:48:41,645 INFO L226 Difference]: Without dead ends: 1524 [2018-10-24 16:48:41,653 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 [2018-10-24 16:48:41,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2018-10-24 16:48:41,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1497. [2018-10-24 16:48:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2018-10-24 16:48:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2656 transitions. [2018-10-24 16:48:41,814 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2656 transitions. Word has length 52 [2018-10-24 16:48:41,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:48:41,815 INFO L481 AbstractCegarLoop]: Abstraction has 1497 states and 2656 transitions. [2018-10-24 16:48:41,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:48:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2656 transitions. [2018-10-24 16:48:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-24 16:48:41,822 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:48:41,822 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:48:41,823 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:48:41,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:48:41,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1499238789, now seen corresponding path program 1 times [2018-10-24 16:48:41,823 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:48:41,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:48:41,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:48:41,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:48:41,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:48:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:48:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:48:42,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:48:42,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:48:42,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:48:42,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:48:42,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:48:42,077 INFO L87 Difference]: Start difference. First operand 1497 states and 2656 transitions. Second operand 4 states. [2018-10-24 16:48:53,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:48:53,065 INFO L93 Difference]: Finished difference Result 5604 states and 10151 transitions. [2018-10-24 16:48:53,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:48:53,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-10-24 16:48:53,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:48:53,088 INFO L225 Difference]: With dead ends: 5604 [2018-10-24 16:48:53,088 INFO L226 Difference]: Without dead ends: 4109 [2018-10-24 16:48:53,092 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:48:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2018-10-24 16:48:53,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 4098. [2018-10-24 16:48:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2018-10-24 16:48:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 6039 transitions. [2018-10-24 16:48:53,174 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 6039 transitions. Word has length 127 [2018-10-24 16:48:53,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:48:53,175 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 6039 transitions. [2018-10-24 16:48:53,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:48:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 6039 transitions. [2018-10-24 16:48:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-24 16:48:53,183 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:48:53,183 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:48:53,183 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:48:53,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:48:53,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1510720438, now seen corresponding path program 1 times [2018-10-24 16:48:53,184 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:48:53,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:48:53,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:48:53,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:48:53,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:48:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:48:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:48:53,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:48:53,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:48:53,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:48:53,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:48:53,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:48:53,579 INFO L87 Difference]: Start difference. First operand 4098 states and 6039 transitions. Second operand 4 states. [2018-10-24 16:48:59,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:48:59,979 INFO L93 Difference]: Finished difference Result 15443 states and 23002 transitions. [2018-10-24 16:48:59,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:48:59,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2018-10-24 16:48:59,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:49:00,032 INFO L225 Difference]: With dead ends: 15443 [2018-10-24 16:49:00,033 INFO L226 Difference]: Without dead ends: 11347 [2018-10-24 16:49:00,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:49:00,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11347 states. [2018-10-24 16:49:00,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11347 to 11347. [2018-10-24 16:49:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11347 states. [2018-10-24 16:49:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11347 states to 11347 states and 14546 transitions. [2018-10-24 16:49:00,250 INFO L78 Accepts]: Start accepts. Automaton has 11347 states and 14546 transitions. Word has length 190 [2018-10-24 16:49:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:49:00,250 INFO L481 AbstractCegarLoop]: Abstraction has 11347 states and 14546 transitions. [2018-10-24 16:49:00,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:49:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 11347 states and 14546 transitions. [2018-10-24 16:49:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-24 16:49:00,259 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:49:00,259 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:49:00,259 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:49:00,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:49:00,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1296060174, now seen corresponding path program 1 times [2018-10-24 16:49:00,262 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:49:00,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:49:00,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:00,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:49:00,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:49:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:49:00,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:49:00,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:49:00,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:49:00,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:49:00,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:49:00,621 INFO L87 Difference]: Start difference. First operand 11347 states and 14546 transitions. Second operand 4 states. [2018-10-24 16:49:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:49:05,939 INFO L93 Difference]: Finished difference Result 23544 states and 30340 transitions. [2018-10-24 16:49:05,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:49:05,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2018-10-24 16:49:05,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:49:05,989 INFO L225 Difference]: With dead ends: 23544 [2018-10-24 16:49:05,989 INFO L226 Difference]: Without dead ends: 12199 [2018-10-24 16:49:06,001 INFO L605 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 [2018-10-24 16:49:06,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12199 states. [2018-10-24 16:49:06,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12199 to 12199. [2018-10-24 16:49:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12199 states. [2018-10-24 16:49:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12199 states to 12199 states and 14547 transitions. [2018-10-24 16:49:06,229 INFO L78 Accepts]: Start accepts. Automaton has 12199 states and 14547 transitions. Word has length 215 [2018-10-24 16:49:06,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:49:06,230 INFO L481 AbstractCegarLoop]: Abstraction has 12199 states and 14547 transitions. [2018-10-24 16:49:06,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:49:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12199 states and 14547 transitions. [2018-10-24 16:49:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-24 16:49:06,238 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:49:06,239 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:49:06,239 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:49:06,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:49:06,239 INFO L82 PathProgramCache]: Analyzing trace with hash -82047802, now seen corresponding path program 1 times [2018-10-24 16:49:06,240 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:49:06,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:49:06,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:06,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:49:06,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:49:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 99 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:49:06,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:49:06,870 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:49:06,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:49:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:49:07,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:49:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 99 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:49:07,314 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:49:07,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-10-24 16:49:07,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:49:07,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:49:07,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:49:07,317 INFO L87 Difference]: Start difference. First operand 12199 states and 14547 transitions. Second operand 7 states. [2018-10-24 16:49:25,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:49:25,055 INFO L93 Difference]: Finished difference Result 37706 states and 45491 transitions. [2018-10-24 16:49:25,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 16:49:25,056 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2018-10-24 16:49:25,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:49:25,098 INFO L225 Difference]: With dead ends: 37706 [2018-10-24 16:49:25,098 INFO L226 Difference]: Without dead ends: 21179 [2018-10-24 16:49:25,116 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:49:25,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21179 states. [2018-10-24 16:49:25,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21179 to 18151. [2018-10-24 16:49:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18151 states. [2018-10-24 16:49:25,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18151 states to 18151 states and 20399 transitions. [2018-10-24 16:49:25,435 INFO L78 Accepts]: Start accepts. Automaton has 18151 states and 20399 transitions. Word has length 274 [2018-10-24 16:49:25,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:49:25,436 INFO L481 AbstractCegarLoop]: Abstraction has 18151 states and 20399 transitions. [2018-10-24 16:49:25,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:49:25,436 INFO L276 IsEmpty]: Start isEmpty. Operand 18151 states and 20399 transitions. [2018-10-24 16:49:25,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-10-24 16:49:25,448 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:49:25,449 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:49:25,449 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:49:25,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:49:25,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1503008822, now seen corresponding path program 1 times [2018-10-24 16:49:25,450 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:49:25,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:49:25,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:25,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:49:25,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:49:26,259 WARN L179 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-10-24 16:49:26,625 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-10-24 16:49:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 288 proven. 83 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-24 16:49:26,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:49:26,973 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 [2018-10-24 16:49:27,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:49:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:49:27,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:49:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 288 proven. 83 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-24 16:49:27,565 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:49:27,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2018-10-24 16:49:27,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 16:49:27,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 16:49:27,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:49:27,568 INFO L87 Difference]: Start difference. First operand 18151 states and 20399 transitions. Second operand 9 states. [2018-10-24 16:49:39,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:49:39,248 INFO L93 Difference]: Finished difference Result 38007 states and 42625 transitions. [2018-10-24 16:49:39,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:49:39,249 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 367 [2018-10-24 16:49:39,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:49:39,289 INFO L225 Difference]: With dead ends: 38007 [2018-10-24 16:49:39,290 INFO L226 Difference]: Without dead ends: 20287 [2018-10-24 16:49:39,310 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:49:39,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20287 states. [2018-10-24 16:49:39,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20287 to 19855. [2018-10-24 16:49:39,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19855 states. [2018-10-24 16:49:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19855 states to 19855 states and 22191 transitions. [2018-10-24 16:49:39,598 INFO L78 Accepts]: Start accepts. Automaton has 19855 states and 22191 transitions. Word has length 367 [2018-10-24 16:49:39,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:49:39,599 INFO L481 AbstractCegarLoop]: Abstraction has 19855 states and 22191 transitions. [2018-10-24 16:49:39,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 16:49:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 19855 states and 22191 transitions. [2018-10-24 16:49:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-10-24 16:49:39,616 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:49:39,616 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:49:39,617 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:49:39,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:49:39,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1838844559, now seen corresponding path program 1 times [2018-10-24 16:49:39,617 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:49:39,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:49:39,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:39,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:49:39,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:49:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:49:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 149 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:49:41,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:49:41,070 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:49:41,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:49:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:49:41,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:49:42,701 WARN L179 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2018-10-24 16:49:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-10-24 16:49:43,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:49:43,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-10-24 16:49:43,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:49:43,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:49:43,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:49:43,306 INFO L87 Difference]: Start difference. First operand 19855 states and 22191 transitions. Second operand 7 states. [2018-10-24 16:49:43,925 WARN L179 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-10-24 16:49:49,893 WARN L179 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-24 16:49:53,548 WARN L179 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-24 16:50:25,835 WARN L179 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-24 16:51:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:51:25,737 INFO L93 Difference]: Finished difference Result 78222 states and 88144 transitions. [2018-10-24 16:51:25,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 16:51:25,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 419 [2018-10-24 16:51:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:51:25,838 INFO L225 Difference]: With dead ends: 78222 [2018-10-24 16:51:25,838 INFO L226 Difference]: Without dead ends: 58369 [2018-10-24 16:51:25,862 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:51:25,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58369 states. [2018-10-24 16:51:26,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58369 to 46727. [2018-10-24 16:51:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46727 states. [2018-10-24 16:51:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46727 states to 46727 states and 51652 transitions. [2018-10-24 16:51:26,478 INFO L78 Accepts]: Start accepts. Automaton has 46727 states and 51652 transitions. Word has length 419 [2018-10-24 16:51:26,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:51:26,479 INFO L481 AbstractCegarLoop]: Abstraction has 46727 states and 51652 transitions. [2018-10-24 16:51:26,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:51:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 46727 states and 51652 transitions. [2018-10-24 16:51:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-10-24 16:51:26,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:51:26,499 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:51:26,499 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:51:26,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:51:26,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1167941486, now seen corresponding path program 1 times [2018-10-24 16:51:26,500 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:51:26,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:51:26,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:26,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:51:26,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:51:26,996 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 5 [2018-10-24 16:51:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-10-24 16:51:27,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:51:27,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:51:27,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:51:27,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:51:27,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:51:27,096 INFO L87 Difference]: Start difference. First operand 46727 states and 51652 transitions. Second operand 4 states. [2018-10-24 16:51:33,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:51:33,436 INFO L93 Difference]: Finished difference Result 115210 states and 128282 transitions. [2018-10-24 16:51:33,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:51:33,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 423 [2018-10-24 16:51:33,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:51:33,504 INFO L225 Difference]: With dead ends: 115210 [2018-10-24 16:51:33,505 INFO L226 Difference]: Without dead ends: 62917 [2018-10-24 16:51:33,541 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:51:33,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62917 states. [2018-10-24 16:51:34,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62917 to 45417. [2018-10-24 16:51:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45417 states. [2018-10-24 16:51:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45417 states to 45417 states and 49842 transitions. [2018-10-24 16:51:34,140 INFO L78 Accepts]: Start accepts. Automaton has 45417 states and 49842 transitions. Word has length 423 [2018-10-24 16:51:34,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:51:34,141 INFO L481 AbstractCegarLoop]: Abstraction has 45417 states and 49842 transitions. [2018-10-24 16:51:34,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:51:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 45417 states and 49842 transitions. [2018-10-24 16:51:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2018-10-24 16:51:34,163 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:51:34,164 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-10-24 16:51:34,164 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:51:34,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:51:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1727056150, now seen corresponding path program 1 times [2018-10-24 16:51:34,165 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:51:34,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:51:34,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:34,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:51:34,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:51:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-10-24 16:51:34,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:51:34,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:51:34,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:51:34,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:51:34,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:51:34,551 INFO L87 Difference]: Start difference. First operand 45417 states and 49842 transitions. Second operand 3 states. [2018-10-24 16:51:38,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:51:38,332 INFO L93 Difference]: Finished difference Result 104890 states and 115808 transitions. [2018-10-24 16:51:38,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:51:38,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2018-10-24 16:51:38,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:51:38,712 INFO L225 Difference]: With dead ends: 104890 [2018-10-24 16:51:38,712 INFO L226 Difference]: Without dead ends: 53887 [2018-10-24 16:51:38,732 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 [2018-10-24 16:51:38,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53887 states. [2018-10-24 16:51:39,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53887 to 46626. [2018-10-24 16:51:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46626 states. [2018-10-24 16:51:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46626 states to 46626 states and 50888 transitions. [2018-10-24 16:51:39,186 INFO L78 Accepts]: Start accepts. Automaton has 46626 states and 50888 transitions. Word has length 467 [2018-10-24 16:51:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:51:39,187 INFO L481 AbstractCegarLoop]: Abstraction has 46626 states and 50888 transitions. [2018-10-24 16:51:39,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:51:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 46626 states and 50888 transitions. [2018-10-24 16:51:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2018-10-24 16:51:39,199 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:51:39,200 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-10-24 16:51:39,200 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:51:39,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:51:39,200 INFO L82 PathProgramCache]: Analyzing trace with hash -854931124, now seen corresponding path program 1 times [2018-10-24 16:51:39,201 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:51:39,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:51:39,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:39,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:51:39,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:51:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-10-24 16:51:39,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:51:39,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:51:39,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:51:39,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:51:39,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:51:39,723 INFO L87 Difference]: Start difference. First operand 46626 states and 50888 transitions. Second operand 4 states. [2018-10-24 16:51:45,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:51:45,596 INFO L93 Difference]: Finished difference Result 116286 states and 126900 transitions. [2018-10-24 16:51:45,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:51:45,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 486 [2018-10-24 16:51:45,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:51:45,670 INFO L225 Difference]: With dead ends: 116286 [2018-10-24 16:51:45,670 INFO L226 Difference]: Without dead ends: 64950 [2018-10-24 16:51:45,701 INFO L605 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 [2018-10-24 16:51:45,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64950 states. [2018-10-24 16:51:46,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64950 to 55990. [2018-10-24 16:51:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55990 states. [2018-10-24 16:51:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55990 states to 55990 states and 60364 transitions. [2018-10-24 16:51:46,272 INFO L78 Accepts]: Start accepts. Automaton has 55990 states and 60364 transitions. Word has length 486 [2018-10-24 16:51:46,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:51:46,273 INFO L481 AbstractCegarLoop]: Abstraction has 55990 states and 60364 transitions. [2018-10-24 16:51:46,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:51:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 55990 states and 60364 transitions. [2018-10-24 16:51:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2018-10-24 16:51:46,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:51:46,284 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:51:46,284 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:51:46,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:51:46,285 INFO L82 PathProgramCache]: Analyzing trace with hash -942093832, now seen corresponding path program 1 times [2018-10-24 16:51:46,285 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:51:46,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:51:46,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:46,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:51:46,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:51:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-10-24 16:51:47,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:51:47,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:51:47,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:51:47,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:51:47,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:51:47,244 INFO L87 Difference]: Start difference. First operand 55990 states and 60364 transitions. Second operand 4 states. [2018-10-24 16:51:51,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:51:51,461 INFO L93 Difference]: Finished difference Result 130302 states and 140664 transitions. [2018-10-24 16:51:51,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:51:51,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 519 [2018-10-24 16:51:51,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:51:51,546 INFO L225 Difference]: With dead ends: 130302 [2018-10-24 16:51:51,546 INFO L226 Difference]: Without dead ends: 75165 [2018-10-24 16:51:51,583 INFO L605 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 [2018-10-24 16:51:51,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75165 states. [2018-10-24 16:51:52,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75165 to 65768. [2018-10-24 16:51:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65768 states. [2018-10-24 16:51:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65768 states to 65768 states and 70143 transitions. [2018-10-24 16:51:52,226 INFO L78 Accepts]: Start accepts. Automaton has 65768 states and 70143 transitions. Word has length 519 [2018-10-24 16:51:52,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:51:52,226 INFO L481 AbstractCegarLoop]: Abstraction has 65768 states and 70143 transitions. [2018-10-24 16:51:52,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:51:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 65768 states and 70143 transitions. [2018-10-24 16:51:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2018-10-24 16:51:52,245 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:51:52,245 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:51:52,246 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:51:52,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:51:52,246 INFO L82 PathProgramCache]: Analyzing trace with hash -955734601, now seen corresponding path program 1 times [2018-10-24 16:51:52,246 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:51:52,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:51:52,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:52,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:51:52,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:51:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-24 16:51:53,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:51:53,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:51:53,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:51:53,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:51:53,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:51:53,312 INFO L87 Difference]: Start difference. First operand 65768 states and 70143 transitions. Second operand 3 states. [2018-10-24 16:51:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:51:56,418 INFO L93 Difference]: Finished difference Result 129829 states and 138510 transitions. [2018-10-24 16:51:56,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:51:56,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 622 [2018-10-24 16:51:56,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:51:56,472 INFO L225 Difference]: With dead ends: 129829 [2018-10-24 16:51:56,472 INFO L226 Difference]: Without dead ends: 65767 [2018-10-24 16:51:56,495 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:51:56,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65767 states. [2018-10-24 16:51:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65767 to 65767. [2018-10-24 16:51:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65767 states. [2018-10-24 16:51:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65767 states to 65767 states and 70134 transitions. [2018-10-24 16:51:57,105 INFO L78 Accepts]: Start accepts. Automaton has 65767 states and 70134 transitions. Word has length 622 [2018-10-24 16:51:57,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:51:57,106 INFO L481 AbstractCegarLoop]: Abstraction has 65767 states and 70134 transitions. [2018-10-24 16:51:57,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:51:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 65767 states and 70134 transitions. [2018-10-24 16:51:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2018-10-24 16:51:57,140 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:51:57,140 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:51:57,141 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:51:57,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:51:57,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1760215615, now seen corresponding path program 1 times [2018-10-24 16:51:57,141 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:51:57,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:51:57,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:57,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:51:57,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:51:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:51:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 199 proven. 521 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-24 16:51:59,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:51:59,050 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:51:59,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:51:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:51:59,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:52:00,615 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 531 proven. 190 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-24 16:52:00,637 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:52:00,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2018-10-24 16:52:00,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:52:00,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:52:00,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:52:00,639 INFO L87 Difference]: Start difference. First operand 65767 states and 70134 transitions. Second operand 8 states. [2018-10-24 16:52:12,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:52:12,703 INFO L93 Difference]: Finished difference Result 141355 states and 150578 transitions. [2018-10-24 16:52:12,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 16:52:12,704 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 812 [2018-10-24 16:52:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:52:12,795 INFO L225 Difference]: With dead ends: 141355 [2018-10-24 16:52:12,795 INFO L226 Difference]: Without dead ends: 76865 [2018-10-24 16:52:12,835 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 818 GetRequests, 810 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:52:12,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76865 states. [2018-10-24 16:52:13,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76865 to 64906. [2018-10-24 16:52:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64906 states. [2018-10-24 16:52:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64906 states to 64906 states and 68794 transitions. [2018-10-24 16:52:13,476 INFO L78 Accepts]: Start accepts. Automaton has 64906 states and 68794 transitions. Word has length 812 [2018-10-24 16:52:13,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:52:13,477 INFO L481 AbstractCegarLoop]: Abstraction has 64906 states and 68794 transitions. [2018-10-24 16:52:13,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:52:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 64906 states and 68794 transitions. [2018-10-24 16:52:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2018-10-24 16:52:13,514 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:52:13,515 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:52:13,515 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:52:13,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:52:13,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1010400958, now seen corresponding path program 1 times [2018-10-24 16:52:13,516 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:52:13,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:52:13,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:52:13,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:52:13,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:52:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:52:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-10-24 16:52:14,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:52:14,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:52:14,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:52:14,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:52:14,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:52:14,787 INFO L87 Difference]: Start difference. First operand 64906 states and 68794 transitions. Second operand 3 states. [2018-10-24 16:52:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:52:18,275 INFO L93 Difference]: Finished difference Result 131942 states and 139865 transitions. [2018-10-24 16:52:18,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:52:18,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 885 [2018-10-24 16:52:18,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:52:18,341 INFO L225 Difference]: With dead ends: 131942 [2018-10-24 16:52:18,341 INFO L226 Difference]: Without dead ends: 68313 [2018-10-24 16:52:18,375 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 [2018-10-24 16:52:18,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68313 states. Received shutdown request... [2018-10-24 16:52:18,624 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 16:52:18,627 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 16:52:18,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:52:18 BoogieIcfgContainer [2018-10-24 16:52:18,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:52:18,629 INFO L168 Benchmark]: Toolchain (without parser) took 242720.58 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 16:52:18,630 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:52:18,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1669.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:52:18,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 542.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -921.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2018-10-24 16:52:18,633 INFO L168 Benchmark]: Boogie Preprocessor took 312.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:52:18,633 INFO L168 Benchmark]: RCFGBuilder took 10808.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 477.1 MB). Peak memory consumption was 477.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:52:18,634 INFO L168 Benchmark]: TraceAbstraction took 229382.94 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: -887.0 MB). Peak memory consumption was 746.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:52:18,640 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1669.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 542.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -921.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 312.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10808.95 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 477.1 MB). Peak memory consumption was 477.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 229382.94 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: -887.0 MB). Peak memory consumption was 746.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 161]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 161). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 229.2s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 206.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7088 SDtfs, 18145 SDslu, 3416 SDs, 0 SdLazy, 52604 SolverSat, 7250 SolverUnsat, 37 SolverUnknown, 0 SolverNotchecked, 185.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1941 GetRequests, 1886 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65768occurred 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: 5.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 70217 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 7730 NumberOfCodeBlocks, 7730 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 7712 ConstructedInterpolants, 242 QuantifiedInterpolants, 17601280 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2347 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 6685/8019 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown