java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label36_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 03:36:06,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 03:36:06,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 03:36:06,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 03:36:06,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 03:36:06,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 03:36:06,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 03:36:06,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 03:36:06,977 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 03:36:06,979 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 03:36:06,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 03:36:06,982 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 03:36:06,983 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 03:36:06,984 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 03:36:06,985 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 03:36:06,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 03:36:06,989 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 03:36:06,993 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 03:36:07,003 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 03:36:07,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 03:36:07,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 03:36:07,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 03:36:07,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 03:36:07,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 03:36:07,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 03:36:07,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 03:36:07,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 03:36:07,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 03:36:07,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 03:36:07,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 03:36:07,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 03:36:07,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-24 03:36:07,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-24 03:36:07,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-24 03:36:07,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-24 03:36:07,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-24 03:36:07,021 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-24 03:36:07,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 03:36:07,037 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 03:36:07,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 03:36:07,038 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-24 03:36:07,038 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-24 03:36:07,039 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-24 03:36:07,039 INFO L133 SettingsManager]: * Use SBE=true [2018-07-24 03:36:07,039 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 03:36:07,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 03:36:07,039 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 03:36:07,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 03:36:07,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 03:36:07,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 03:36:07,040 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 03:36:07,040 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 03:36:07,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 03:36:07,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 03:36:07,041 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 03:36:07,041 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 03:36:07,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 03:36:07,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 03:36:07,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 03:36:07,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 03:36:07,042 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-24 03:36:07,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 03:36:07,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 03:36:07,043 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 03:36:07,043 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 03:36:07,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 03:36:07,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 03:36:07,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 03:36:07,108 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 03:36:07,108 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 03:36:07,109 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label36_true-unreach-call.c [2018-07-24 03:36:07,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a008093/c82c607f403445ad9da7139fc4ca96ca/FLAGd2bd54ec9 [2018-07-24 03:36:08,066 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 03:36:08,067 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label36_true-unreach-call.c [2018-07-24 03:36:08,121 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a008093/c82c607f403445ad9da7139fc4ca96ca/FLAGd2bd54ec9 [2018-07-24 03:36:08,142 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a008093/c82c607f403445ad9da7139fc4ca96ca [2018-07-24 03:36:08,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 03:36:08,157 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 03:36:08,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 03:36:08,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 03:36:08,167 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 03:36:08,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:36:08" (1/1) ... [2018-07-24 03:36:08,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d9fee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:08, skipping insertion in model container [2018-07-24 03:36:08,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:36:08" (1/1) ... [2018-07-24 03:36:08,655 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 03:36:10,416 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:36:10,433 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 03:36:11,642 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:36:12,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12 WrapperNode [2018-07-24 03:36:12,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 03:36:12,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 03:36:12,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 03:36:12,243 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 03:36:12,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:12,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:13,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 03:36:13,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 03:36:13,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 03:36:13,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 03:36:14,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:14,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:14,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:14,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:15,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:15,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:15,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... [2018-07-24 03:36:15,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 03:36:15,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 03:36:15,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 03:36:15,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 03:36:15,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 03:36:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-24 03:36:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 03:36:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 03:36:38,761 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 03:36:38,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:36:38 BoogieIcfgContainer [2018-07-24 03:36:38,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 03:36:38,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 03:36:38,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 03:36:38,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 03:36:38,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:36:08" (1/3) ... [2018-07-24 03:36:38,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61648427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:36:38, skipping insertion in model container [2018-07-24 03:36:38,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:36:12" (2/3) ... [2018-07-24 03:36:38,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61648427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:36:38, skipping insertion in model container [2018-07-24 03:36:38,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:36:38" (3/3) ... [2018-07-24 03:36:38,770 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label36_true-unreach-call.c [2018-07-24 03:36:38,780 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 03:36:38,792 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 03:36:38,867 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 03:36:38,868 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 03:36:38,868 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 03:36:38,868 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 03:36:38,868 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 03:36:38,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 03:36:38,869 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 03:36:38,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 03:36:38,869 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 03:36:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-24 03:36:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-24 03:36:38,930 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:36:38,931 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:36:38,931 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:36:38,936 INFO L82 PathProgramCache]: Analyzing trace with hash 646480794, now seen corresponding path program 1 times [2018-07-24 03:36:38,939 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:36:38,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:36:38,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:36:38,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:36:38,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:36:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:36:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:36:39,365 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:36:39,365 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:36:39,370 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:36:39,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:36:39,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:36:39,389 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-07-24 03:37:04,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:37:04,640 INFO L93 Difference]: Finished difference Result 6326 states and 12085 transitions. [2018-07-24 03:37:04,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:37:04,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-07-24 03:37:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:37:04,696 INFO L225 Difference]: With dead ends: 6326 [2018-07-24 03:37:04,696 INFO L226 Difference]: Without dead ends: 4570 [2018-07-24 03:37:04,708 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:04,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2018-07-24 03:37:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 4564. [2018-07-24 03:37:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4564 states. [2018-07-24 03:37:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4564 states and 7499 transitions. [2018-07-24 03:37:04,943 INFO L78 Accepts]: Start accepts. Automaton has 4564 states and 7499 transitions. Word has length 34 [2018-07-24 03:37:04,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:37:04,944 INFO L471 AbstractCegarLoop]: Abstraction has 4564 states and 7499 transitions. [2018-07-24 03:37:04,944 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:37:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 7499 transitions. [2018-07-24 03:37:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-24 03:37:04,954 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:37:04,955 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:37:04,955 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:37:04,955 INFO L82 PathProgramCache]: Analyzing trace with hash -695283257, now seen corresponding path program 1 times [2018-07-24 03:37:04,955 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:37:04,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:37:04,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:04,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:37:04,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:37:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:37:05,428 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:37:05,428 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:37:05,430 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:37:05,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:37:05,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:05,431 INFO L87 Difference]: Start difference. First operand 4564 states and 7499 transitions. Second operand 4 states. [2018-07-24 03:37:31,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:37:31,320 INFO L93 Difference]: Finished difference Result 17453 states and 28955 transitions. [2018-07-24 03:37:31,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:37:31,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-07-24 03:37:31,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:37:31,393 INFO L225 Difference]: With dead ends: 17453 [2018-07-24 03:37:31,393 INFO L226 Difference]: Without dead ends: 12891 [2018-07-24 03:37:31,403 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:31,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12891 states. [2018-07-24 03:37:31,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12891 to 12853. [2018-07-24 03:37:31,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12853 states. [2018-07-24 03:37:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12853 states to 12853 states and 18848 transitions. [2018-07-24 03:37:31,674 INFO L78 Accepts]: Start accepts. Automaton has 12853 states and 18848 transitions. Word has length 138 [2018-07-24 03:37:31,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:37:31,676 INFO L471 AbstractCegarLoop]: Abstraction has 12853 states and 18848 transitions. [2018-07-24 03:37:31,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:37:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12853 states and 18848 transitions. [2018-07-24 03:37:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-24 03:37:31,688 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:37:31,688 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-24 03:37:31,688 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:37:31,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1984241690, now seen corresponding path program 1 times [2018-07-24 03:37:31,689 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:37:31,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:37:31,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:31,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:37:31,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:37:32,015 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-07-24 03:37:32,016 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:37:32,016 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:37:32,017 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:37:32,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:37:32,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:32,018 INFO L87 Difference]: Start difference. First operand 12853 states and 18848 transitions. Second operand 4 states. [2018-07-24 03:37:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:37:57,025 INFO L93 Difference]: Finished difference Result 50556 states and 74278 transitions. [2018-07-24 03:37:57,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:37:57,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2018-07-24 03:37:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:37:57,140 INFO L225 Difference]: With dead ends: 50556 [2018-07-24 03:37:57,141 INFO L226 Difference]: Without dead ends: 37705 [2018-07-24 03:37:57,165 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:57,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37705 states. [2018-07-24 03:37:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37705 to 25142. [2018-07-24 03:37:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25142 states. [2018-07-24 03:37:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25142 states to 25142 states and 35892 transitions. [2018-07-24 03:37:57,718 INFO L78 Accepts]: Start accepts. Automaton has 25142 states and 35892 transitions. Word has length 172 [2018-07-24 03:37:57,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:37:57,719 INFO L471 AbstractCegarLoop]: Abstraction has 25142 states and 35892 transitions. [2018-07-24 03:37:57,719 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:37:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 25142 states and 35892 transitions. [2018-07-24 03:37:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-24 03:37:57,722 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:37:57,722 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:37:57,723 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:37:57,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1263675004, now seen corresponding path program 1 times [2018-07-24 03:37:57,723 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:37:57,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:37:57,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:57,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:37:57,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:37:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:37:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-07-24 03:37:58,102 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:37:58,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:37:58,103 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:37:58,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:37:58,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:37:58,104 INFO L87 Difference]: Start difference. First operand 25142 states and 35892 transitions. Second operand 4 states. [2018-07-24 03:38:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:38:17,186 INFO L93 Difference]: Finished difference Result 98404 states and 140796 transitions. [2018-07-24 03:38:17,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:38:17,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2018-07-24 03:38:17,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:38:17,343 INFO L225 Difference]: With dead ends: 98404 [2018-07-24 03:38:17,344 INFO L226 Difference]: Without dead ends: 73264 [2018-07-24 03:38:17,388 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:38:17,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73264 states. [2018-07-24 03:38:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73264 to 73244. [2018-07-24 03:38:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73244 states. [2018-07-24 03:38:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73244 states to 73244 states and 91793 transitions. [2018-07-24 03:38:18,742 INFO L78 Accepts]: Start accepts. Automaton has 73244 states and 91793 transitions. Word has length 200 [2018-07-24 03:38:18,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:38:18,742 INFO L471 AbstractCegarLoop]: Abstraction has 73244 states and 91793 transitions. [2018-07-24 03:38:18,742 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:38:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 73244 states and 91793 transitions. [2018-07-24 03:38:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2018-07-24 03:38:18,761 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:38:18,761 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:38:18,761 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:38:18,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1712973759, now seen corresponding path program 1 times [2018-07-24 03:38:18,762 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:38:18,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:38:18,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:38:18,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:38:18,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:38:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:38:19,378 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-24 03:38:20,036 WARN L169 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2018-07-24 03:38:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-07-24 03:38:20,558 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:38:20,558 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 03:38:20,559 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-24 03:38:20,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-24 03:38:20,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-24 03:38:20,559 INFO L87 Difference]: Start difference. First operand 73244 states and 91793 transitions. Second operand 7 states. [2018-07-24 03:38:53,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:38:53,602 INFO L93 Difference]: Finished difference Result 172454 states and 210825 transitions. [2018-07-24 03:38:53,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-24 03:38:53,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 626 [2018-07-24 03:38:53,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:38:53,799 INFO L225 Difference]: With dead ends: 172454 [2018-07-24 03:38:53,799 INFO L226 Difference]: Without dead ends: 99212 [2018-07-24 03:38:53,844 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-07-24 03:38:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99212 states. [2018-07-24 03:38:54,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99212 to 95108. [2018-07-24 03:38:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95108 states. [2018-07-24 03:38:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95108 states to 95108 states and 114314 transitions. [2018-07-24 03:38:54,912 INFO L78 Accepts]: Start accepts. Automaton has 95108 states and 114314 transitions. Word has length 626 [2018-07-24 03:38:54,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:38:54,912 INFO L471 AbstractCegarLoop]: Abstraction has 95108 states and 114314 transitions. [2018-07-24 03:38:54,913 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-24 03:38:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 95108 states and 114314 transitions. [2018-07-24 03:38:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2018-07-24 03:38:54,935 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:38:54,936 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:38:54,936 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:38:54,936 INFO L82 PathProgramCache]: Analyzing trace with hash 307240921, now seen corresponding path program 1 times [2018-07-24 03:38:54,936 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:38:54,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:38:54,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:38:54,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:38:54,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:38:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:38:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-07-24 03:38:55,761 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:38:55,761 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:38:55,762 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:38:55,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:38:55,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:38:55,763 INFO L87 Difference]: Start difference. First operand 95108 states and 114314 transitions. Second operand 4 states. [2018-07-24 03:39:23,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:39:23,858 INFO L93 Difference]: Finished difference Result 316074 states and 385343 transitions. [2018-07-24 03:39:23,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:39:23,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 654 [2018-07-24 03:39:23,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:39:24,145 INFO L225 Difference]: With dead ends: 316074 [2018-07-24 03:39:24,145 INFO L226 Difference]: Without dead ends: 210036 [2018-07-24 03:39:24,235 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:39:24,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210036 states. [2018-07-24 03:39:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210036 to 200317. [2018-07-24 03:39:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200317 states. [2018-07-24 03:39:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200317 states to 200317 states and 238667 transitions. [2018-07-24 03:39:27,147 INFO L78 Accepts]: Start accepts. Automaton has 200317 states and 238667 transitions. Word has length 654 [2018-07-24 03:39:27,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:39:27,150 INFO L471 AbstractCegarLoop]: Abstraction has 200317 states and 238667 transitions. [2018-07-24 03:39:27,150 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:39:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 200317 states and 238667 transitions. [2018-07-24 03:39:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1348 [2018-07-24 03:39:27,260 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:39:27,262 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:39:27,262 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:39:27,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1265201251, now seen corresponding path program 1 times [2018-07-24 03:39:27,263 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:39:27,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:39:27,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:39:27,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:39:27,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:39:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:39:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 882 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-07-24 03:39:31,058 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:39:31,059 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:39:31,060 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:39:31,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:39:31,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:39:31,061 INFO L87 Difference]: Start difference. First operand 200317 states and 238667 transitions. Second operand 4 states. [2018-07-24 03:39:51,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:39:51,722 INFO L93 Difference]: Finished difference Result 449802 states and 539428 transitions. [2018-07-24 03:39:51,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:39:51,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1347 [2018-07-24 03:39:51,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:39:52,040 INFO L225 Difference]: With dead ends: 449802 [2018-07-24 03:39:52,041 INFO L226 Difference]: Without dead ends: 249487 [2018-07-24 03:39:52,136 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:39:52,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249487 states. [2018-07-24 03:39:54,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249487 to 228989. [2018-07-24 03:39:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228989 states. [2018-07-24 03:39:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228989 states to 228989 states and 260894 transitions. [2018-07-24 03:39:55,024 INFO L78 Accepts]: Start accepts. Automaton has 228989 states and 260894 transitions. Word has length 1347 [2018-07-24 03:39:55,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:39:55,027 INFO L471 AbstractCegarLoop]: Abstraction has 228989 states and 260894 transitions. [2018-07-24 03:39:55,027 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:39:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 228989 states and 260894 transitions. [2018-07-24 03:39:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1469 [2018-07-24 03:39:55,100 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:39:55,102 INFO L353 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:39:55,102 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:39:55,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1606496826, now seen corresponding path program 1 times [2018-07-24 03:39:55,102 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:39:55,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:39:55,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:39:55,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:39:55,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:39:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:39:56,222 WARN L169 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 Received shutdown request... [2018-07-24 03:40:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2222 backedges. 984 proven. 4 refuted. 0 times theorem prover too weak. 1234 trivial. 0 not checked. [2018-07-24 03:40:03,323 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:40:03,323 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:40:03,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:40:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:40:03,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:40:03,940 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-24 03:40:04,142 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:40:04,143 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 03:40:04,148 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 03:40:04,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:40:04 BoogieIcfgContainer [2018-07-24 03:40:04,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 03:40:04,149 INFO L168 Benchmark]: Toolchain (without parser) took 235994.58 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 853.9 MB. Max. memory is 7.1 GB. [2018-07-24 03:40:04,151 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-07-24 03:40:04,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4082.87 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 180.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -108.1 MB). Peak memory consumption was 487.0 MB. Max. memory is 7.1 GB. [2018-07-24 03:40:04,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 860.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Peak memory consumption was 194.5 MB. Max. memory is 7.1 GB. [2018-07-24 03:40:04,155 INFO L168 Benchmark]: Boogie Preprocessor took 2345.24 ms. Allocated memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: 1.1 GB). Free memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 195.8 MB. Max. memory is 7.1 GB. [2018-07-24 03:40:04,156 INFO L168 Benchmark]: RCFGBuilder took 23313.00 ms. Allocated memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: 231.2 MB). Free memory was 2.5 GB in the beginning and 2.1 GB in the end (delta: 365.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-24 03:40:04,157 INFO L168 Benchmark]: TraceAbstraction took 205385.86 ms. Allocated memory was 3.0 GB in the beginning and 4.3 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. [2018-07-24 03:40:04,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 4082.87 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 180.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -108.1 MB). Peak memory consumption was 487.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 860.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Peak memory consumption was 194.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2345.24 ms. Allocated memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: 1.1 GB). Free memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 195.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 23313.00 ms. Allocated memory was 2.8 GB in the beginning and 3.0 GB in the end (delta: 231.2 MB). Free memory was 2.5 GB in the beginning and 2.1 GB in the end (delta: 365.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 205385.86 ms. Allocated memory was 3.0 GB in the beginning and 4.3 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 115). Cancelled while BasicCegarLoop was analyzing trace of length 1469 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 5 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 205.2s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 178.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8961 SDtfs, 31800 SDslu, 2786 SDs, 0 SdLazy, 65460 SolverSat, 16882 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 151.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228989occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 9.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 46948 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3171 NumberOfCodeBlocks, 3171 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 3164 ConstructedInterpolants, 0 QuantifiedInterpolants, 6558152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2485/2485 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label36_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_03-40-04-180.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label36_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_03-40-04-180.csv Completed graceful shutdown