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_label11_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 18:38:22,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 18:38:22,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 18:38:22,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 18:38:22,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 18:38:22,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 18:38:22,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 18:38:22,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 18:38:23,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 18:38:23,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 18:38:23,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 18:38:23,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 18:38:23,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 18:38:23,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 18:38:23,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 18:38:23,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 18:38:23,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 18:38:23,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 18:38:23,010 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 18:38:23,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 18:38:23,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 18:38:23,020 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 18:38:23,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 18:38:23,023 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 18:38:23,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 18:38:23,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 18:38:23,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 18:38:23,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 18:38:23,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 18:38:23,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 18:38:23,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 18:38:23,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 18:38:23,035 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 18:38:23,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 18:38:23,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 18:38:23,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 18:38:23,039 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 [2018-10-23 18:38:23,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 18:38:23,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 18:38:23,065 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 18:38:23,066 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 18:38:23,066 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 18:38:23,066 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 18:38:23,067 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 18:38:23,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 18:38:23,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 18:38:23,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 18:38:23,067 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 18:38:23,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 18:38:23,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 18:38:23,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 18:38:23,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 18:38:23,068 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 18:38:23,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 18:38:23,069 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 18:38:23,069 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 18:38:23,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:38:23,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 18:38:23,070 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 18:38:23,070 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 18:38:23,070 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 18:38:23,070 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 18:38:23,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 18:38:23,071 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 18:38:23,071 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 18:38:23,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 18:38:23,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 18:38:23,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 18:38:23,153 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 18:38:23,153 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 18:38:23,154 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label11_false-unreach-call.c [2018-10-23 18:38:23,218 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a56e8b177/47d43a5456914892933ff41461dd62fd/FLAG097320537 [2018-10-23 18:38:24,116 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 18:38:24,117 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label11_false-unreach-call.c [2018-10-23 18:38:24,182 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a56e8b177/47d43a5456914892933ff41461dd62fd/FLAG097320537 [2018-10-23 18:38:24,205 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a56e8b177/47d43a5456914892933ff41461dd62fd [2018-10-23 18:38:24,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 18:38:24,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 18:38:24,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 18:38:24,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 18:38:24,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 18:38:24,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:24" (1/1) ... [2018-10-23 18:38:24,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9ee88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:24, skipping insertion in model container [2018-10-23 18:38:24,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:24" (1/1) ... [2018-10-23 18:38:24,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 18:38:24,545 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 18:38:26,490 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:38:26,496 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 18:38:27,568 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:38:27,619 INFO L193 MainTranslator]: Completed translation [2018-10-23 18:38:27,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27 WrapperNode [2018-10-23 18:38:27,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 18:38:27,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 18:38:27,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 18:38:27,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 18:38:27,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:27,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:28,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 18:38:28,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 18:38:28,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 18:38:28,752 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 18:38:28,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:28,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:28,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:28,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:29,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:29,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:29,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... [2018-10-23 18:38:29,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 18:38:29,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 18:38:29,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 18:38:29,668 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 18:38:29,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:38:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 18:38:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 18:38:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 18:38:47,005 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 18:38:47,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:47 BoogieIcfgContainer [2018-10-23 18:38:47,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 18:38:47,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 18:38:47,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 18:38:47,012 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 18:38:47,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:38:24" (1/3) ... [2018-10-23 18:38:47,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419f17f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:47, skipping insertion in model container [2018-10-23 18:38:47,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:27" (2/3) ... [2018-10-23 18:38:47,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419f17f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:47, skipping insertion in model container [2018-10-23 18:38:47,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:47" (3/3) ... [2018-10-23 18:38:47,016 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label11_false-unreach-call.c [2018-10-23 18:38:47,027 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 18:38:47,038 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 18:38:47,336 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 18:38:47,409 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 18:38:47,410 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 18:38:47,410 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 18:38:47,410 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 18:38:47,410 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 18:38:47,410 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 18:38:47,411 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 18:38:47,411 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 18:38:47,411 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 18:38:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-23 18:38:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-23 18:38:47,482 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:38:47,483 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:38:47,488 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:38:47,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:38:47,495 INFO L82 PathProgramCache]: Analyzing trace with hash -809652462, now seen corresponding path program 1 times [2018-10-23 18:38:47,497 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:38:47,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:38:47,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:38:47,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:38:47,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:38:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:38:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:38:47,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:38:47,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:38:47,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:38:47,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:38:47,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:38:47,860 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-23 18:39:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:39:22,521 INFO L93 Difference]: Finished difference Result 6406 states and 12224 transitions. [2018-10-23 18:39:22,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:39:22,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-23 18:39:22,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:39:22,579 INFO L225 Difference]: With dead ends: 6406 [2018-10-23 18:39:22,579 INFO L226 Difference]: Without dead ends: 4650 [2018-10-23 18:39:22,592 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:39:22,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2018-10-23 18:39:22,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4611. [2018-10-23 18:39:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4611 states. [2018-10-23 18:39:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 7301 transitions. [2018-10-23 18:39:22,810 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 7301 transitions. Word has length 17 [2018-10-23 18:39:22,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:39:22,811 INFO L481 AbstractCegarLoop]: Abstraction has 4611 states and 7301 transitions. [2018-10-23 18:39:22,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:39:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 7301 transitions. [2018-10-23 18:39:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-23 18:39:22,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:39:22,817 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:39:22,817 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:39:22,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:39:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash 549446189, now seen corresponding path program 1 times [2018-10-23 18:39:22,819 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:39:22,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:39:22,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:39:22,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:39:22,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:39:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:39:23,260 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-23 18:39:23,688 WARN L179 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-10-23 18:39:24,425 WARN L179 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2018-10-23 18:39:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:39:24,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:39:24,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 18:39:24,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 18:39:24,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 18:39:24,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 18:39:24,639 INFO L87 Difference]: Start difference. First operand 4611 states and 7301 transitions. Second operand 6 states. [2018-10-23 18:39:24,804 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-23 18:40:00,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:40:00,987 INFO L93 Difference]: Finished difference Result 20180 states and 30824 transitions. [2018-10-23 18:40:00,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-23 18:40:00,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-10-23 18:40:00,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:40:01,060 INFO L225 Difference]: With dead ends: 20180 [2018-10-23 18:40:01,060 INFO L226 Difference]: Without dead ends: 15571 [2018-10-23 18:40:01,068 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-23 18:40:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15571 states. [2018-10-23 18:40:01,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15571 to 14198. [2018-10-23 18:40:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14198 states. [2018-10-23 18:40:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14198 states to 14198 states and 18990 transitions. [2018-10-23 18:40:01,344 INFO L78 Accepts]: Start accepts. Automaton has 14198 states and 18990 transitions. Word has length 85 [2018-10-23 18:40:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:40:01,345 INFO L481 AbstractCegarLoop]: Abstraction has 14198 states and 18990 transitions. [2018-10-23 18:40:01,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 18:40:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 14198 states and 18990 transitions. [2018-10-23 18:40:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-23 18:40:01,365 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:40:01,365 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:40:01,370 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:40:01,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:40:01,371 INFO L82 PathProgramCache]: Analyzing trace with hash 231846293, now seen corresponding path program 1 times [2018-10-23 18:40:01,371 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:40:01,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:40:01,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:01,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:40:01,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:40:02,016 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-23 18:40:02,508 WARN L179 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2018-10-23 18:40:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-23 18:40:02,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:40:02,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 18:40:02,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 18:40:02,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 18:40:02,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-23 18:40:02,843 INFO L87 Difference]: Start difference. First operand 14198 states and 18990 transitions. Second operand 7 states. [2018-10-23 18:40:41,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:40:41,392 INFO L93 Difference]: Finished difference Result 42065 states and 56298 transitions. [2018-10-23 18:40:41,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 18:40:41,395 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 303 [2018-10-23 18:40:41,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:40:41,476 INFO L225 Difference]: With dead ends: 42065 [2018-10-23 18:40:41,476 INFO L226 Difference]: Without dead ends: 27869 [2018-10-23 18:40:41,495 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-23 18:40:41,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27869 states. [2018-10-23 18:40:41,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27869 to 25134. [2018-10-23 18:40:41,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25134 states. [2018-10-23 18:40:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25134 states to 25134 states and 30401 transitions. [2018-10-23 18:40:41,860 INFO L78 Accepts]: Start accepts. Automaton has 25134 states and 30401 transitions. Word has length 303 [2018-10-23 18:40:41,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:40:41,861 INFO L481 AbstractCegarLoop]: Abstraction has 25134 states and 30401 transitions. [2018-10-23 18:40:41,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 18:40:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 25134 states and 30401 transitions. [2018-10-23 18:40:41,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-23 18:40:41,870 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:40:41,871 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:40:41,871 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:40:41,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:40:41,871 INFO L82 PathProgramCache]: Analyzing trace with hash -879363269, now seen corresponding path program 1 times [2018-10-23 18:40:41,872 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:40:41,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:40:41,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:41,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:40:41,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:40:42,452 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-23 18:40:42,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:40:42,453 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 [2018-10-23 18:40:42,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:40:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:40:42,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:40:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:40:42,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:40:42,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2018-10-23 18:40:42,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:40:42,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:40:42,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:40:42,801 INFO L87 Difference]: Start difference. First operand 25134 states and 30401 transitions. Second operand 4 states. [2018-10-23 18:41:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:41:05,932 INFO L93 Difference]: Finished difference Result 84673 states and 105355 transitions. [2018-10-23 18:41:05,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:41:05,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 331 [2018-10-23 18:41:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:41:06,050 INFO L225 Difference]: With dead ends: 84673 [2018-10-23 18:41:06,051 INFO L226 Difference]: Without dead ends: 60907 [2018-10-23 18:41:06,085 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:41:06,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60907 states. [2018-10-23 18:41:06,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60907 to 37421. [2018-10-23 18:41:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37421 states. [2018-10-23 18:41:06,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37421 states to 37421 states and 46766 transitions. [2018-10-23 18:41:06,931 INFO L78 Accepts]: Start accepts. Automaton has 37421 states and 46766 transitions. Word has length 331 [2018-10-23 18:41:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:41:06,932 INFO L481 AbstractCegarLoop]: Abstraction has 37421 states and 46766 transitions. [2018-10-23 18:41:06,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:41:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 37421 states and 46766 transitions. [2018-10-23 18:41:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-23 18:41:06,940 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:41:06,940 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:41:06,941 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:41:06,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:41:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash 377003035, now seen corresponding path program 1 times [2018-10-23 18:41:06,941 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:41:06,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:41:06,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:06,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:41:06,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:41:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:41:07,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:41:07,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 18:41:07,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:41:07,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:41:07,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:41:07,643 INFO L87 Difference]: Start difference. First operand 37421 states and 46766 transitions. Second operand 4 states. [2018-10-23 18:41:28,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:41:28,480 INFO L93 Difference]: Finished difference Result 85792 states and 108881 transitions. [2018-10-23 18:41:28,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:41:28,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 351 [2018-10-23 18:41:28,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:41:28,541 INFO L225 Difference]: With dead ends: 85792 [2018-10-23 18:41:28,541 INFO L226 Difference]: Without dead ends: 44273 [2018-10-23 18:41:28,573 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:41:28,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44273 states. [2018-10-23 18:41:28,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44273 to 42897. [2018-10-23 18:41:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42897 states. [2018-10-23 18:41:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42897 states to 42897 states and 51933 transitions. [2018-10-23 18:41:29,036 INFO L78 Accepts]: Start accepts. Automaton has 42897 states and 51933 transitions. Word has length 351 [2018-10-23 18:41:29,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:41:29,037 INFO L481 AbstractCegarLoop]: Abstraction has 42897 states and 51933 transitions. [2018-10-23 18:41:29,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:41:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 42897 states and 51933 transitions. [2018-10-23 18:41:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-10-23 18:41:29,045 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:41:29,046 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 18:41:29,046 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:41:29,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:41:29,047 INFO L82 PathProgramCache]: Analyzing trace with hash -2115957758, now seen corresponding path program 1 times [2018-10-23 18:41:29,047 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:41:29,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:41:29,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:29,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:41:29,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:41:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 164 proven. 65 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-23 18:41:29,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:41:29,590 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 [2018-10-23 18:41:29,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:41:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:41:29,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:41:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-23 18:41:29,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:41:29,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-23 18:41:29,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 18:41:29,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 18:41:29,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:41:29,946 INFO L87 Difference]: Start difference. First operand 42897 states and 51933 transitions. Second operand 5 states. [2018-10-23 18:42:04,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:42:04,179 INFO L93 Difference]: Finished difference Result 217341 states and 270363 transitions. [2018-10-23 18:42:04,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 18:42:04,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 391 [2018-10-23 18:42:04,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:42:04,391 INFO L225 Difference]: With dead ends: 217341 [2018-10-23 18:42:04,391 INFO L226 Difference]: Without dead ends: 164880 [2018-10-23 18:42:04,436 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-23 18:42:04,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164880 states. [2018-10-23 18:42:05,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164880 to 162049. [2018-10-23 18:42:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162049 states. [2018-10-23 18:42:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162049 states to 162049 states and 180148 transitions. [2018-10-23 18:42:05,998 INFO L78 Accepts]: Start accepts. Automaton has 162049 states and 180148 transitions. Word has length 391 [2018-10-23 18:42:05,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:42:05,999 INFO L481 AbstractCegarLoop]: Abstraction has 162049 states and 180148 transitions. [2018-10-23 18:42:05,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 18:42:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 162049 states and 180148 transitions. [2018-10-23 18:42:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2018-10-23 18:42:06,014 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:42:06,015 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 18:42:06,015 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:42:06,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:42:06,016 INFO L82 PathProgramCache]: Analyzing trace with hash 296657755, now seen corresponding path program 1 times [2018-10-23 18:42:06,016 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:42:06,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:42:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:42:06,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:42:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:42:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:42:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 431 proven. 4 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-10-23 18:42:07,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:42:07,751 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 [2018-10-23 18:42:07,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:42:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:42:07,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:42:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-10-23 18:42:08,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:42:08,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-23 18:42:08,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 18:42:08,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 18:42:08,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:42:08,334 INFO L87 Difference]: Start difference. First operand 162049 states and 180148 transitions. Second operand 5 states. Received shutdown request... [2018-10-23 18:42:22,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-23 18:42:22,484 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 18:42:22,490 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 18:42:22,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:42:22 BoogieIcfgContainer [2018-10-23 18:42:22,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 18:42:22,492 INFO L168 Benchmark]: Toolchain (without parser) took 238266.73 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 575.4 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:22,493 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-23 18:42:22,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3392.28 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. [2018-10-23 18:42:22,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 1130.80 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 862.5 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 117.2 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:22,495 INFO L168 Benchmark]: Boogie Preprocessor took 915.82 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: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:22,496 INFO L168 Benchmark]: RCFGBuilder took 17339.22 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 251.1 MB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 536.3 MB). Peak memory consumption was 787.4 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:22,497 INFO L168 Benchmark]: TraceAbstraction took 215482.54 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 18:42:22,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 3392.28 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 1130.80 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 862.5 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 117.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 915.82 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: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17339.22 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 251.1 MB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 536.3 MB). Peak memory consumption was 787.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215482.54 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 64). Cancelled while BasicCegarLoop was constructing difference of abstraction (162049states) and FLOYD_HOARE automaton (currently 6 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (85970 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 215.0s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 202.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9203 SDtfs, 44394 SDslu, 3761 SDs, 0 SdLazy, 86195 SolverSat, 20946 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 175.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1398 GetRequests, 1363 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162049occurred 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: 3.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 31840 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 3468 NumberOfCodeBlocks, 3468 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3458 ConstructedInterpolants, 0 QuantifiedInterpolants, 6255566 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1679 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 2041/2114 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown