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/Problem19_label53_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:51:47,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:51:47,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:51:47,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:51:47,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:51:47,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:51:47,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:51:47,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:51:47,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:51:47,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:51:47,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:51:47,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:51:47,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:51:47,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:51:47,913 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:51:47,914 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:51:47,915 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:51:47,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:51:47,919 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:51:47,921 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:51:47,922 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:51:47,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:51:47,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-26 19:51:47,944 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 19:51:47,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:51:47,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:51:47,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:51:47,981 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:51:47,982 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:51:47,982 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:51:47,982 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:51:47,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:51:47,982 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:51:47,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:51:47,984 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:51:47,984 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:51:47,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:51:47,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:51:47,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:51:47,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:51:47,985 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:51:47,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:51:47,986 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:51:47,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:51:47,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:51:47,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:51:47,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:51:47,987 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:51:47,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:51:47,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:51:47,987 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:51:47,988 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:51:48,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:51:48,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:51:48,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:51:48,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:51:48,065 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:51:48,066 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label53_false-unreach-call.c [2018-10-26 19:51:48,134 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4a50b0963/917ea9adb5814ff2bea0fc9b358f452b/FLAGcf04925db [2018-10-26 19:51:48,975 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:51:48,976 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label53_false-unreach-call.c [2018-10-26 19:51:49,019 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4a50b0963/917ea9adb5814ff2bea0fc9b358f452b/FLAGcf04925db [2018-10-26 19:51:49,038 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4a50b0963/917ea9adb5814ff2bea0fc9b358f452b [2018-10-26 19:51:49,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:51:49,054 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:51:49,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:51:49,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:51:49,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:51:49,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:51:49" (1/1) ... [2018-10-26 19:51:49,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5f6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:49, skipping insertion in model container [2018-10-26 19:51:49,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:51:49" (1/1) ... [2018-10-26 19:51:49,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:51:49,356 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:51:51,299 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:51:51,304 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:51:52,374 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:51:52,429 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:51:52,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52 WrapperNode [2018-10-26 19:51:52,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:51:52,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:51:52,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:51:52,431 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:51:52,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:52,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:53,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:51:53,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:51:53,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:51:53,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:51:53,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:53,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:53,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:53,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:54,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:54,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:54,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... [2018-10-26 19:51:54,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:51:54,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:51:54,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:51:54,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:51:54,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:51:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:51:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:51:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:52:11,937 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:52:11,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:52:11 BoogieIcfgContainer [2018-10-26 19:52:11,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:52:11,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:52:11,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:52:11,943 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:52:11,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:51:49" (1/3) ... [2018-10-26 19:52:11,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119d1777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:52:11, skipping insertion in model container [2018-10-26 19:52:11,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:52" (2/3) ... [2018-10-26 19:52:11,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119d1777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:52:11, skipping insertion in model container [2018-10-26 19:52:11,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:52:11" (3/3) ... [2018-10-26 19:52:11,947 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label53_false-unreach-call.c [2018-10-26 19:52:11,955 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:52:11,964 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:52:11,979 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:52:12,041 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:52:12,042 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:52:12,042 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:52:12,042 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:52:12,042 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:52:12,042 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:52:12,042 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:52:12,042 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:52:12,043 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:52:12,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-26 19:52:12,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:52:12,101 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:52:12,102 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:52:12,104 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:52:12,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:52:12,113 INFO L82 PathProgramCache]: Analyzing trace with hash -643220670, now seen corresponding path program 1 times [2018-10-26 19:52:12,115 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:52:12,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:52:12,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:12,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:52:12,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:12,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:52:12,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:52:12,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:52:12,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:52:12,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:52:12,566 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-26 19:52:35,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:52:35,175 INFO L93 Difference]: Finished difference Result 6406 states and 12224 transitions. [2018-10-26 19:52:35,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:52:35,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-10-26 19:52:35,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:52:35,239 INFO L225 Difference]: With dead ends: 6406 [2018-10-26 19:52:35,239 INFO L226 Difference]: Without dead ends: 4650 [2018-10-26 19:52:35,248 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:52:35,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2018-10-26 19:52:35,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4611. [2018-10-26 19:52:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4611 states. [2018-10-26 19:52:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 7301 transitions. [2018-10-26 19:52:35,472 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 7301 transitions. Word has length 12 [2018-10-26 19:52:35,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:52:35,473 INFO L481 AbstractCegarLoop]: Abstraction has 4611 states and 7301 transitions. [2018-10-26 19:52:35,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:52:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 7301 transitions. [2018-10-26 19:52:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 19:52:35,476 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:52:35,477 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:52:35,477 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:52:35,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:52:35,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1197814694, now seen corresponding path program 1 times [2018-10-26 19:52:35,478 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:52:35,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:52:35,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:35,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:52:35,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:52:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:36,133 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-10-26 19:52:36,805 WARN L179 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-10-26 19:52:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:36,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:52:36,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 19:52:36,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 19:52:36,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 19:52:36,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:52:36,988 INFO L87 Difference]: Start difference. First operand 4611 states and 7301 transitions. Second operand 6 states. [2018-10-26 19:53:16,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:53:16,261 INFO L93 Difference]: Finished difference Result 20180 states and 30824 transitions. [2018-10-26 19:53:16,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:53:16,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-26 19:53:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:53:16,338 INFO L225 Difference]: With dead ends: 20180 [2018-10-26 19:53:16,338 INFO L226 Difference]: Without dead ends: 15571 [2018-10-26 19:53:16,348 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-26 19:53:16,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15571 states. [2018-10-26 19:53:16,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15571 to 14198. [2018-10-26 19:53:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14198 states. [2018-10-26 19:53:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14198 states to 14198 states and 18990 transitions. [2018-10-26 19:53:16,617 INFO L78 Accepts]: Start accepts. Automaton has 14198 states and 18990 transitions. Word has length 80 [2018-10-26 19:53:16,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:53:16,618 INFO L481 AbstractCegarLoop]: Abstraction has 14198 states and 18990 transitions. [2018-10-26 19:53:16,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 19:53:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 14198 states and 18990 transitions. [2018-10-26 19:53:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-26 19:53:16,640 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:53:16,640 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:53:16,641 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:53:16,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:53:16,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1236507099, now seen corresponding path program 1 times [2018-10-26 19:53:16,645 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:53:16,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:53:16,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:16,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:53:16,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:53:17,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:53:17,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 19:53:17,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:53:17,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:53:17,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:53:17,546 INFO L87 Difference]: Start difference. First operand 14198 states and 18990 transitions. Second operand 7 states. [2018-10-26 19:53:58,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:53:58,389 INFO L93 Difference]: Finished difference Result 42065 states and 56298 transitions. [2018-10-26 19:53:58,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:53:58,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 288 [2018-10-26 19:53:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:53:58,459 INFO L225 Difference]: With dead ends: 42065 [2018-10-26 19:53:58,459 INFO L226 Difference]: Without dead ends: 27869 [2018-10-26 19:53:58,478 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:53:58,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27869 states. [2018-10-26 19:53:58,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27869 to 25134. [2018-10-26 19:53:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25134 states. [2018-10-26 19:53:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25134 states to 25134 states and 30401 transitions. [2018-10-26 19:53:58,836 INFO L78 Accepts]: Start accepts. Automaton has 25134 states and 30401 transitions. Word has length 288 [2018-10-26 19:53:58,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:53:58,837 INFO L481 AbstractCegarLoop]: Abstraction has 25134 states and 30401 transitions. [2018-10-26 19:53:58,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:53:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 25134 states and 30401 transitions. [2018-10-26 19:53:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-26 19:53:58,842 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:53:58,842 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:53:58,842 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:53:58,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:53:58,843 INFO L82 PathProgramCache]: Analyzing trace with hash 384929983, now seen corresponding path program 1 times [2018-10-26 19:53:58,843 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:53:58,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:53:58,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:58,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:53:58,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:53:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 19 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:53:59,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:53:59,345 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:53:59,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:53:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:59,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:53:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:53:59,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:53:59,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-26 19:53:59,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:53:59,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:53:59,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:53:59,790 INFO L87 Difference]: Start difference. First operand 25134 states and 30401 transitions. Second operand 5 states. [2018-10-26 19:54:36,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:54:36,546 INFO L93 Difference]: Finished difference Result 114900 states and 149450 transitions. [2018-10-26 19:54:36,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:54:36,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 316 [2018-10-26 19:54:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:54:36,777 INFO L225 Difference]: With dead ends: 114900 [2018-10-26 19:54:36,778 INFO L226 Difference]: Without dead ends: 80202 [2018-10-26 19:54:36,819 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:54:36,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80202 states. [2018-10-26 19:54:38,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80202 to 80104. [2018-10-26 19:54:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80104 states. [2018-10-26 19:54:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80104 states to 80104 states and 93292 transitions. [2018-10-26 19:54:38,505 INFO L78 Accepts]: Start accepts. Automaton has 80104 states and 93292 transitions. Word has length 316 [2018-10-26 19:54:38,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:54:38,506 INFO L481 AbstractCegarLoop]: Abstraction has 80104 states and 93292 transitions. [2018-10-26 19:54:38,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:54:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80104 states and 93292 transitions. [2018-10-26 19:54:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-10-26 19:54:38,511 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:54:38,511 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:54:38,512 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:54:38,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:54:38,512 INFO L82 PathProgramCache]: Analyzing trace with hash -68376009, now seen corresponding path program 1 times [2018-10-26 19:54:38,512 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:54:38,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:54:38,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:38,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:38,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:54:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-26 19:54:39,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:54:39,019 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:54:39,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:54:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:39,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:54:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:54:39,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:54:39,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-26 19:54:39,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:54:39,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:54:39,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:54:39,259 INFO L87 Difference]: Start difference. First operand 80104 states and 93292 transitions. Second operand 4 states. [2018-10-26 19:55:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:04,116 INFO L93 Difference]: Finished difference Result 286225 states and 337230 transitions. [2018-10-26 19:55:04,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:55:04,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 326 [2018-10-26 19:55:04,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:04,447 INFO L225 Difference]: With dead ends: 286225 [2018-10-26 19:55:04,447 INFO L226 Difference]: Without dead ends: 207489 [2018-10-26 19:55:04,520 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:04,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207489 states. [2018-10-26 19:55:06,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207489 to 133370. [2018-10-26 19:55:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133370 states. [2018-10-26 19:55:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133370 states to 133370 states and 154665 transitions. [2018-10-26 19:55:07,284 INFO L78 Accepts]: Start accepts. Automaton has 133370 states and 154665 transitions. Word has length 326 [2018-10-26 19:55:07,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:07,284 INFO L481 AbstractCegarLoop]: Abstraction has 133370 states and 154665 transitions. [2018-10-26 19:55:07,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:55:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 133370 states and 154665 transitions. [2018-10-26 19:55:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2018-10-26 19:55:07,303 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:07,303 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 19:55:07,304 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:07,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:07,305 INFO L82 PathProgramCache]: Analyzing trace with hash 483961052, now seen corresponding path program 1 times [2018-10-26 19:55:07,306 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:07,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:07,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:07,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:07,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:07,831 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 19:55:08,327 WARN L179 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-10-26 19:55:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 421 proven. 4 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-26 19:55:08,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:55:08,987 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:55:08,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:09,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:55:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 425 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-26 19:55:09,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:55:09,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-26 19:55:09,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:55:09,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:55:09,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:55:09,449 INFO L87 Difference]: Start difference. First operand 133370 states and 154665 transitions. Second operand 5 states. [2018-10-26 19:55:32,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:32,424 INFO L93 Difference]: Finished difference Result 287260 states and 331320 transitions. [2018-10-26 19:55:32,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:55:32,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 629 [2018-10-26 19:55:32,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:32,576 INFO L225 Difference]: With dead ends: 287260 [2018-10-26 19:55:32,576 INFO L226 Difference]: Without dead ends: 148394 [2018-10-26 19:55:32,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 629 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:55:32,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148394 states. [2018-10-26 19:55:33,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148394 to 134722. [2018-10-26 19:55:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134722 states. [2018-10-26 19:55:33,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134722 states to 134722 states and 147923 transitions. [2018-10-26 19:55:33,783 INFO L78 Accepts]: Start accepts. Automaton has 134722 states and 147923 transitions. Word has length 629 [2018-10-26 19:55:33,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:33,784 INFO L481 AbstractCegarLoop]: Abstraction has 134722 states and 147923 transitions. [2018-10-26 19:55:33,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:55:33,784 INFO L276 IsEmpty]: Start isEmpty. Operand 134722 states and 147923 transitions. [2018-10-26 19:55:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2018-10-26 19:55:33,814 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:33,815 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 19:55:33,815 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:33,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:33,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1788119869, now seen corresponding path program 1 times [2018-10-26 19:55:33,816 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:33,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:33,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:33,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:33,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-10-26 19:55:35,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:35,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:55:35,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:35,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:35,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:35,632 INFO L87 Difference]: Start difference. First operand 134722 states and 147923 transitions. Second operand 4 states. Received shutdown request... [2018-10-26 19:55:43,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:55:43,266 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 19:55:43,272 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 19:55:43,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:55:43 BoogieIcfgContainer [2018-10-26 19:55:43,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:55:43,274 INFO L168 Benchmark]: Toolchain (without parser) took 234222.09 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.2 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-26 19:55:43,275 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. [2018-10-26 19:55:43,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3375.02 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: 382.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:43,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 1299.08 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 866.1 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 117.2 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:43,277 INFO L168 Benchmark]: Boogie Preprocessor took 801.20 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 113.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:43,278 INFO L168 Benchmark]: RCFGBuilder took 17406.55 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 292.0 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -389.4 MB). Peak memory consumption was 818.1 MB. Max. memory is 7.1 GB. [2018-10-26 19:55:43,279 INFO L168 Benchmark]: TraceAbstraction took 211333.53 ms. Allocated memory was 2.7 GB in the beginning and 3.9 GB in the end (delta: 1.2 GB). Free memory was 2.4 GB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-26 19:55:43,285 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 3375.02 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: 382.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1299.08 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 866.1 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 117.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 801.20 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 113.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17406.55 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 292.0 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -389.4 MB). Peak memory consumption was 818.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211333.53 ms. Allocated memory was 2.7 GB in the beginning and 3.9 GB in the end (delta: 1.2 GB). Free memory was 2.4 GB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 49). Cancelled while BasicCegarLoop was constructing difference of abstraction (134722states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (98464 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 211.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 196.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8686 SDtfs, 42251 SDslu, 3840 SDs, 0 SdLazy, 89827 SolverSat, 18113 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 166.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1317 GetRequests, 1278 SyntacticMatches, 10 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134722occurred in iteration=6, 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: 6.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 92036 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 3803 NumberOfCodeBlocks, 3803 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3793 ConstructedInterpolants, 0 QuantifiedInterpolants, 6901666 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1565 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 2087/2160 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown