java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 22:03:56,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:03:56,850 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:03:56,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:03:56,866 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:03:56,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:03:56,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:03:56,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:03:56,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:03:56,875 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:03:56,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:03:56,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:03:56,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:03:56,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:03:56,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:03:56,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:03:56,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:03:56,883 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:03:56,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:03:56,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:03:56,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:03:56,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:03:56,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 22:03:56,901 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 22:03:56,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 22:03:56,905 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 22:03:56,905 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 22:03:56,906 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 22:03:56,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:03:56,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:03:56,931 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:03:56,931 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:03:56,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:03:56,937 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:03:56,938 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:03:56,938 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:03:56,938 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:03:56,938 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:03:56,938 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:03:56,939 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:03:56,939 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:03:56,939 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:03:56,939 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:03:56,939 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:03:56,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:03:56,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:03:56,940 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:03:56,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:03:56,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:03:56,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:03:56,941 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:03:56,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:03:56,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:03:56,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:03:56,941 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:03:56,941 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:03:56,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:03:57,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:03:57,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:03:57,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:03:57,007 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:03:57,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c [2018-11-06 22:03:57,076 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0ad3824/e4a7b0e4eaac4e69b9337c080e093825/FLAG22080dd49 [2018-11-06 22:03:57,991 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:03:57,992 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label54_true-unreach-call.c [2018-11-06 22:03:58,041 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0ad3824/e4a7b0e4eaac4e69b9337c080e093825/FLAG22080dd49 [2018-11-06 22:03:58,058 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd0ad3824/e4a7b0e4eaac4e69b9337c080e093825 [2018-11-06 22:03:58,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:03:58,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:03:58,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:03:58,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:03:58,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:03:58,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:58" (1/1) ... [2018-11-06 22:03:58,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a97c000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:58, skipping insertion in model container [2018-11-06 22:03:58,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:58" (1/1) ... [2018-11-06 22:03:58,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:03:58,379 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:04:00,289 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:04:00,294 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:04:01,499 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:04:01,561 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:04:01,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01 WrapperNode [2018-11-06 22:04:01,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:04:01,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:04:01,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:04:01,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:04:01,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:02,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:02,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:04:02,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:04:02,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:04:02,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:04:02,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:02,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:02,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:02,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:03,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:03,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:03,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... [2018-11-06 22:04:03,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:04:03,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:04:03,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:04:03,343 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:04:03,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:04:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 22:04:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:04:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:04:19,819 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:04:19,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:04:19 BoogieIcfgContainer [2018-11-06 22:04:19,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:04:19,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:04:19,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:04:19,824 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:04:19,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:58" (1/3) ... [2018-11-06 22:04:19,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b209a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:04:19, skipping insertion in model container [2018-11-06 22:04:19,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:04:01" (2/3) ... [2018-11-06 22:04:19,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b209a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:04:19, skipping insertion in model container [2018-11-06 22:04:19,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:04:19" (3/3) ... [2018-11-06 22:04:19,828 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label54_true-unreach-call.c [2018-11-06 22:04:19,837 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:04:19,847 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:04:19,865 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:04:19,928 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:04:19,929 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:04:19,929 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:04:19,929 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:04:19,929 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:04:19,929 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:04:19,930 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:04:19,930 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:04:19,930 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:04:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-11-06 22:04:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-06 22:04:19,997 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:04:19,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:04:20,000 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:04:20,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:04:20,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2101344302, now seen corresponding path program 1 times [2018-11-06 22:04:20,009 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:04:20,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:04:20,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:04:20,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:04:20,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:04:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:04:20,615 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-06 22:04:20,830 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-11-06 22:04:21,631 WARN L179 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-11-06 22:04:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:04:21,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:04:21,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 22:04:21,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 22:04:21,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 22:04:21,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-06 22:04:21,962 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 6 states. [2018-11-06 22:04:22,173 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-06 22:04:59,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:04:59,332 INFO L93 Difference]: Finished difference Result 9077 states and 17599 transitions. [2018-11-06 22:04:59,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-06 22:04:59,334 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-06 22:04:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:04:59,403 INFO L225 Difference]: With dead ends: 9077 [2018-11-06 22:04:59,403 INFO L226 Difference]: Without dead ends: 7315 [2018-11-06 22:04:59,414 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-11-06 22:04:59,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2018-11-06 22:04:59,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 5898. [2018-11-06 22:04:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5898 states. [2018-11-06 22:04:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5898 states to 5898 states and 8690 transitions. [2018-11-06 22:04:59,664 INFO L78 Accepts]: Start accepts. Automaton has 5898 states and 8690 transitions. Word has length 65 [2018-11-06 22:04:59,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:04:59,665 INFO L480 AbstractCegarLoop]: Abstraction has 5898 states and 8690 transitions. [2018-11-06 22:04:59,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 22:04:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5898 states and 8690 transitions. [2018-11-06 22:04:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-06 22:04:59,690 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:04:59,691 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 22:04:59,691 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:04:59,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:04:59,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1341722408, now seen corresponding path program 1 times [2018-11-06 22:04:59,693 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:04:59,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:04:59,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:04:59,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:04:59,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:04:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:05:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-06 22:05:00,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:05:00,234 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:05:00,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:05:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:05:00,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:05:00,559 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-06 22:05:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:05:00,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:05:00,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 5 [2018-11-06 22:05:00,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:05:00,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:05:00,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:05:00,902 INFO L87 Difference]: Start difference. First operand 5898 states and 8690 transitions. Second operand 5 states. [2018-11-06 22:05:35,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:05:35,245 INFO L93 Difference]: Finished difference Result 24240 states and 39207 transitions. [2018-11-06 22:05:35,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 22:05:35,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 301 [2018-11-06 22:05:35,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:05:35,309 INFO L225 Difference]: With dead ends: 24240 [2018-11-06 22:05:35,310 INFO L226 Difference]: Without dead ends: 14241 [2018-11-06 22:05:35,322 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:05:35,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14241 states. [2018-11-06 22:05:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14241 to 11471. [2018-11-06 22:05:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11471 states. [2018-11-06 22:05:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11471 states to 11471 states and 15056 transitions. [2018-11-06 22:05:35,549 INFO L78 Accepts]: Start accepts. Automaton has 11471 states and 15056 transitions. Word has length 301 [2018-11-06 22:05:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:05:35,550 INFO L480 AbstractCegarLoop]: Abstraction has 11471 states and 15056 transitions. [2018-11-06 22:05:35,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:05:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 11471 states and 15056 transitions. [2018-11-06 22:05:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2018-11-06 22:05:35,569 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:05:35,570 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:05:35,570 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:05:35,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:05:35,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1357005909, now seen corresponding path program 1 times [2018-11-06 22:05:35,571 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:05:35,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:05:35,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:05:35,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:05:35,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:05:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:05:36,397 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-06 22:05:37,063 WARN L179 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-11-06 22:05:37,848 WARN L179 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-11-06 22:05:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 158 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-06 22:05:38,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:05:38,461 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 22:05:38,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:05:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:05:38,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:05:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:05:39,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:05:39,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-11-06 22:05:39,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 22:05:39,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 22:05:39,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:05:39,023 INFO L87 Difference]: Start difference. First operand 11471 states and 15056 transitions. Second operand 7 states. [2018-11-06 22:05:39,221 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-06 22:06:04,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:06:04,204 INFO L93 Difference]: Finished difference Result 54366 states and 73504 transitions. [2018-11-06 22:06:04,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-06 22:06:04,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 612 [2018-11-06 22:06:04,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:06:04,297 INFO L225 Difference]: With dead ends: 54366 [2018-11-06 22:06:04,297 INFO L226 Difference]: Without dead ends: 42897 [2018-11-06 22:06:04,312 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 614 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-11-06 22:06:04,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42897 states. [2018-11-06 22:06:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42897 to 40154. [2018-11-06 22:06:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40154 states. [2018-11-06 22:06:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40154 states to 40154 states and 48960 transitions. [2018-11-06 22:06:04,870 INFO L78 Accepts]: Start accepts. Automaton has 40154 states and 48960 transitions. Word has length 612 [2018-11-06 22:06:04,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:06:04,871 INFO L480 AbstractCegarLoop]: Abstraction has 40154 states and 48960 transitions. [2018-11-06 22:06:04,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 22:06:04,871 INFO L276 IsEmpty]: Start isEmpty. Operand 40154 states and 48960 transitions. [2018-11-06 22:06:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2018-11-06 22:06:04,893 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:06:04,894 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:06:04,894 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:06:04,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:06:04,895 INFO L82 PathProgramCache]: Analyzing trace with hash 809017416, now seen corresponding path program 1 times [2018-11-06 22:06:04,895 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:06:04,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:06:04,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:04,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:06:04,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:06:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 125 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-06 22:06:05,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:06:05,977 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 22:06:05,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:06:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:06:06,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:06:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:06:06,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:06:06,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-11-06 22:06:06,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 22:06:06,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 22:06:06,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:06:06,681 INFO L87 Difference]: Start difference. First operand 40154 states and 48960 transitions. Second operand 4 states. [2018-11-06 22:06:19,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:06:19,962 INFO L93 Difference]: Finished difference Result 142025 states and 175150 transitions. [2018-11-06 22:06:19,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 22:06:19,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 709 [2018-11-06 22:06:19,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:06:20,108 INFO L225 Difference]: With dead ends: 142025 [2018-11-06 22:06:20,108 INFO L226 Difference]: Without dead ends: 103239 [2018-11-06 22:06:20,167 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:06:20,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103239 states. [2018-11-06 22:06:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103239 to 67464. [2018-11-06 22:06:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67464 states. [2018-11-06 22:06:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67464 states to 67464 states and 80182 transitions. [2018-11-06 22:06:21,673 INFO L78 Accepts]: Start accepts. Automaton has 67464 states and 80182 transitions. Word has length 709 [2018-11-06 22:06:21,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:06:21,674 INFO L480 AbstractCegarLoop]: Abstraction has 67464 states and 80182 transitions. [2018-11-06 22:06:21,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 22:06:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 67464 states and 80182 transitions. [2018-11-06 22:06:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2018-11-06 22:06:21,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:06:21,699 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:06:21,699 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:06:21,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:06:21,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1416070291, now seen corresponding path program 1 times [2018-11-06 22:06:21,700 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:06:21,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:06:21,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:21,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:06:21,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:06:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 256 proven. 72 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-06 22:06:22,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:06:22,941 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 22:06:22,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:06:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:06:23,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:06:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-11-06 22:06:23,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:06:23,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-06 22:06:23,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:06:23,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:06:23,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:06:23,668 INFO L87 Difference]: Start difference. First operand 67464 states and 80182 transitions. Second operand 5 states. [2018-11-06 22:06:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:06:36,201 INFO L93 Difference]: Finished difference Result 184112 states and 219424 transitions. [2018-11-06 22:06:36,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 22:06:36,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 716 [2018-11-06 22:06:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:06:36,405 INFO L225 Difference]: With dead ends: 184112 [2018-11-06 22:06:36,406 INFO L226 Difference]: Without dead ends: 118016 [2018-11-06 22:06:36,462 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 719 GetRequests, 715 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:06:36,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118016 states. [2018-11-06 22:06:37,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118016 to 118010. [2018-11-06 22:06:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118010 states. [2018-11-06 22:06:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118010 states to 118010 states and 134786 transitions. [2018-11-06 22:06:37,648 INFO L78 Accepts]: Start accepts. Automaton has 118010 states and 134786 transitions. Word has length 716 [2018-11-06 22:06:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:06:37,649 INFO L480 AbstractCegarLoop]: Abstraction has 118010 states and 134786 transitions. [2018-11-06 22:06:37,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:06:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 118010 states and 134786 transitions. [2018-11-06 22:06:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2018-11-06 22:06:37,663 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:06:37,664 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:06:37,664 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:06:37,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:06:37,665 INFO L82 PathProgramCache]: Analyzing trace with hash -453178107, now seen corresponding path program 1 times [2018-11-06 22:06:37,665 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:06:37,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:06:37,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:37,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:06:37,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:06:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2018-11-06 22:06:39,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:06:39,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 22:06:39,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 22:06:39,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 22:06:39,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:06:39,803 INFO L87 Difference]: Start difference. First operand 118010 states and 134786 transitions. Second operand 4 states. [2018-11-06 22:06:52,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:06:52,857 INFO L93 Difference]: Finished difference Result 327661 states and 373836 transitions. [2018-11-06 22:06:52,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 22:06:52,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 929 [2018-11-06 22:06:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:06:53,095 INFO L225 Difference]: With dead ends: 327661 [2018-11-06 22:06:53,095 INFO L226 Difference]: Without dead ends: 211019 [2018-11-06 22:06:53,163 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 22:06:53,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211019 states. [2018-11-06 22:06:54,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211019 to 204077. [2018-11-06 22:06:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204077 states. [2018-11-06 22:06:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204077 states to 204077 states and 228018 transitions. [2018-11-06 22:06:54,888 INFO L78 Accepts]: Start accepts. Automaton has 204077 states and 228018 transitions. Word has length 929 [2018-11-06 22:06:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:06:54,890 INFO L480 AbstractCegarLoop]: Abstraction has 204077 states and 228018 transitions. [2018-11-06 22:06:54,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 22:06:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 204077 states and 228018 transitions. [2018-11-06 22:06:54,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2018-11-06 22:06:54,912 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:06:54,913 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:06:54,913 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:06:54,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:06:54,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1730035798, now seen corresponding path program 1 times [2018-11-06 22:06:54,914 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:06:54,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:06:54,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:54,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:06:54,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:06:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:06:56,596 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-06 22:06:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 562 proven. 459 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2018-11-06 22:06:58,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:06:58,804 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:06:58,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:06:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:06:59,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:06:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2018-11-06 22:06:59,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:06:59,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-06 22:06:59,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-06 22:06:59,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-06 22:06:59,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-06 22:06:59,480 INFO L87 Difference]: Start difference. First operand 204077 states and 228018 transitions. Second operand 8 states. [2018-11-06 22:07:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:07:25,143 INFO L93 Difference]: Finished difference Result 491734 states and 549685 transitions. [2018-11-06 22:07:25,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-06 22:07:25,143 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1020 [2018-11-06 22:07:25,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:07:25,456 INFO L225 Difference]: With dead ends: 491734 [2018-11-06 22:07:25,456 INFO L226 Difference]: Without dead ends: 263042 [2018-11-06 22:07:25,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1039 GetRequests, 1025 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-11-06 22:07:25,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263042 states. [2018-11-06 22:07:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263042 to 224528. [2018-11-06 22:07:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224528 states. [2018-11-06 22:07:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224528 states to 224528 states and 241625 transitions. [2018-11-06 22:07:27,655 INFO L78 Accepts]: Start accepts. Automaton has 224528 states and 241625 transitions. Word has length 1020 [2018-11-06 22:07:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:07:27,656 INFO L480 AbstractCegarLoop]: Abstraction has 224528 states and 241625 transitions. [2018-11-06 22:07:27,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-06 22:07:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 224528 states and 241625 transitions. [2018-11-06 22:07:27,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1242 [2018-11-06 22:07:27,695 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:07:27,696 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:07:27,697 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:07:27,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:07:27,697 INFO L82 PathProgramCache]: Analyzing trace with hash 451429566, now seen corresponding path program 1 times [2018-11-06 22:07:27,697 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:07:27,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:07:27,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:07:27,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:07:27,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:07:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:07:29,809 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-06 22:07:30,151 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2018-11-06 22:07:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 769 proven. 405 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-06 22:07:34,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:07:34,959 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:07:34,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:07:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:07:35,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:07:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 1116 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-06 22:07:36,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:07:36,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2018-11-06 22:07:36,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-06 22:07:36,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-06 22:07:36,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-06 22:07:36,607 INFO L87 Difference]: Start difference. First operand 224528 states and 241625 transitions. Second operand 14 states. Received shutdown request... [2018-11-06 22:07:46,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-06 22:07:46,181 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 22:07:46,186 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 22:07:46,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:46 BoogieIcfgContainer [2018-11-06 22:07:46,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:07:46,187 INFO L168 Benchmark]: Toolchain (without parser) took 228114.49 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -336.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-06 22:07:46,188 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-11-06 22:07:46,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3485.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. [2018-11-06 22:07:46,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 1104.36 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 874.5 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2018-11-06 22:07:46,190 INFO L168 Benchmark]: Boogie Preprocessor took 675.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.9 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2018-11-06 22:07:46,191 INFO L168 Benchmark]: RCFGBuilder took 16476.98 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 307.8 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -361.7 MB). Peak memory consumption was 799.2 MB. Max. memory is 7.1 GB. [2018-11-06 22:07:46,192 INFO L168 Benchmark]: TraceAbstraction took 206365.83 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 936.9 MB). Free memory was 2.4 GB in the beginning and 1.7 GB in the end (delta: 682.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-06 22:07:46,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3485.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 391.1 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1104.36 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 874.5 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 675.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.9 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16476.98 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 307.8 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -361.7 MB). Peak memory consumption was 799.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206365.83 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 936.9 MB). Free memory was 2.4 GB in the beginning and 1.7 GB in the end (delta: 682.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 208]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 208). Cancelled while BasicCegarLoop was constructing difference of abstraction (224528states) and FLOYD_HOARE automaton (currently 19 states, 14 states before enhancement),while ReachableStatesComputation was computing reachable states (30009 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 206.2s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 172.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6144 SDtfs, 62622 SDslu, 4032 SDs, 0 SdLazy, 95570 SolverSat, 25606 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 137.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4697 GetRequests, 4618 SyntacticMatches, 22 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224528occurred in iteration=7, 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: 7.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 88167 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 10192 NumberOfCodeBlocks, 10192 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 10178 ConstructedInterpolants, 0 QuantifiedInterpolants, 36396976 SizeOfPredicates, 6 NumberOfNonLiveVariables, 5285 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 6643/7593 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown