java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label17_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 05:20:59,998 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 05:21:00,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 05:21:00,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 05:21:00,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 05:21:00,018 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 05:21:00,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 05:21:00,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 05:21:00,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 05:21:00,032 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 05:21:00,033 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 05:21:00,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 05:21:00,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 05:21:00,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 05:21:00,040 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 05:21:00,041 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 05:21:00,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 05:21:00,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 05:21:00,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 05:21:00,055 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 05:21:00,062 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 05:21:00,063 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 05:21:00,065 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-22 05:21:00,083 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-22 05:21:00,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 05:21:00,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 05:21:00,110 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 05:21:00,110 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 05:21:00,111 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 05:21:00,111 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 05:21:00,112 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 05:21:00,112 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 05:21:00,112 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 05:21:00,112 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 05:21:00,112 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 05:21:00,113 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 05:21:00,113 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 05:21:00,113 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 05:21:00,113 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 05:21:00,113 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 05:21:00,114 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 05:21:00,114 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 05:21:00,115 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 05:21:00,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 05:21:00,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 05:21:00,115 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 05:21:00,115 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 05:21:00,115 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 05:21:00,116 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 05:21:00,116 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 05:21:00,116 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 05:21:00,116 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 05:21:00,116 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 05:21:00,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 05:21:00,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 05:21:00,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 05:21:00,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 05:21:00,194 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 05:21:00,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label17_false-unreach-call.c [2018-07-22 05:21:00,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/6c162aadc/35c6e62466ae49f9b1b12f5106207472/FLAG5a70232ea [2018-07-22 05:21:01,421 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 05:21:01,422 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label17_false-unreach-call.c [2018-07-22 05:21:01,483 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/6c162aadc/35c6e62466ae49f9b1b12f5106207472/FLAG5a70232ea [2018-07-22 05:21:01,509 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/6c162aadc/35c6e62466ae49f9b1b12f5106207472 [2018-07-22 05:21:01,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 05:21:01,535 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 05:21:01,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 05:21:01,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 05:21:01,544 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 05:21:01,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:21:01" (1/1) ... [2018-07-22 05:21:01,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e40129b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:01, skipping insertion in model container [2018-07-22 05:21:01,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:21:01" (1/1) ... [2018-07-22 05:21:02,082 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 05:21:04,531 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:21:04,558 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 05:21:06,127 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:21:06,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06 WrapperNode [2018-07-22 05:21:06,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 05:21:06,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 05:21:06,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 05:21:06,564 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 05:21:06,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:07,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:08,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 05:21:08,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 05:21:08,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 05:21:08,417 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 05:21:08,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:08,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:08,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:08,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:09,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:09,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:09,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... [2018-07-22 05:21:09,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 05:21:09,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 05:21:09,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 05:21:09,416 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 05:21:09,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (1/1) ... No working directory specified, using /storage/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 [2018-07-22 05:21:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 05:21:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 05:21:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 05:21:26,730 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 05:21:26,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:21:26 BoogieIcfgContainer [2018-07-22 05:21:26,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 05:21:26,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 05:21:26,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 05:21:26,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 05:21:26,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:21:01" (1/3) ... [2018-07-22 05:21:26,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309846bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:21:26, skipping insertion in model container [2018-07-22 05:21:26,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:21:06" (2/3) ... [2018-07-22 05:21:26,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309846bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:21:26, skipping insertion in model container [2018-07-22 05:21:26,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:21:26" (3/3) ... [2018-07-22 05:21:26,742 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label17_false-unreach-call.c [2018-07-22 05:21:26,752 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 05:21:26,763 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 05:21:26,839 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 05:21:26,840 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 05:21:26,840 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 05:21:26,840 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 05:21:26,840 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 05:21:26,841 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 05:21:26,841 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 05:21:26,841 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 05:21:26,841 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 05:21:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-22 05:21:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-22 05:21:26,902 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:21:26,904 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:21:26,904 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:21:26,911 INFO L82 PathProgramCache]: Analyzing trace with hash -159296518, now seen corresponding path program 1 times [2018-07-22 05:21:26,915 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:21:26,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:21:26,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:21:26,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:21:26,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:21:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:21:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:21:27,248 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:21:27,249 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 05:21:27,251 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:21:27,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:21:27,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:21:27,266 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 5 states. [2018-07-22 05:21:51,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:21:51,275 INFO L93 Difference]: Finished difference Result 7848 states and 15098 transitions. [2018-07-22 05:21:51,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-22 05:21:51,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-07-22 05:21:51,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:21:51,339 INFO L225 Difference]: With dead ends: 7848 [2018-07-22 05:21:51,340 INFO L226 Difference]: Without dead ends: 6089 [2018-07-22 05:21:51,353 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:21:51,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6089 states. [2018-07-22 05:21:51,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6089 to 5958. [2018-07-22 05:21:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5958 states. [2018-07-22 05:21:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 10094 transitions. [2018-07-22 05:21:51,651 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 10094 transitions. Word has length 11 [2018-07-22 05:21:51,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:21:51,651 INFO L471 AbstractCegarLoop]: Abstraction has 5958 states and 10094 transitions. [2018-07-22 05:21:51,651 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 05:21:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 10094 transitions. [2018-07-22 05:21:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-22 05:21:51,656 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:21:51,656 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:21:51,658 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:21:51,658 INFO L82 PathProgramCache]: Analyzing trace with hash -769542256, now seen corresponding path program 1 times [2018-07-22 05:21:51,658 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:21:51,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:21:51,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:21:51,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:21:51,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:21:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:21:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:21:52,114 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:21:52,114 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:21:52,116 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:21:52,116 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:21:52,116 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:21:52,117 INFO L87 Difference]: Start difference. First operand 5958 states and 10094 transitions. Second operand 4 states. [2018-07-22 05:22:13,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:22:13,209 INFO L93 Difference]: Finished difference Result 23064 states and 39372 transitions. [2018-07-22 05:22:13,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:22:13,210 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-07-22 05:22:13,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:22:13,306 INFO L225 Difference]: With dead ends: 23064 [2018-07-22 05:22:13,306 INFO L226 Difference]: Without dead ends: 17108 [2018-07-22 05:22:13,319 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:22:13,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17108 states. [2018-07-22 05:22:13,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17108 to 11417. [2018-07-22 05:22:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11417 states. [2018-07-22 05:22:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11417 states to 11417 states and 18794 transitions. [2018-07-22 05:22:13,817 INFO L78 Accepts]: Start accepts. Automaton has 11417 states and 18794 transitions. Word has length 95 [2018-07-22 05:22:13,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:22:13,819 INFO L471 AbstractCegarLoop]: Abstraction has 11417 states and 18794 transitions. [2018-07-22 05:22:13,819 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:22:13,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11417 states and 18794 transitions. [2018-07-22 05:22:13,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-22 05:22:13,828 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:22:13,830 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:22:13,831 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:22:13,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1649022779, now seen corresponding path program 1 times [2018-07-22 05:22:13,831 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:22:13,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:22:13,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:22:13,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:22:13,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:22:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:22:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:22:14,121 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:22:14,122 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:22:14,122 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:22:14,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:22:14,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:22:14,123 INFO L87 Difference]: Start difference. First operand 11417 states and 18794 transitions. Second operand 4 states. [2018-07-22 05:22:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:22:30,638 INFO L93 Difference]: Finished difference Result 44803 states and 74096 transitions. [2018-07-22 05:22:30,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:22:30,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2018-07-22 05:22:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:22:30,750 INFO L225 Difference]: With dead ends: 44803 [2018-07-22 05:22:30,750 INFO L226 Difference]: Without dead ends: 33388 [2018-07-22 05:22:30,769 INFO L578 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 [2018-07-22 05:22:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33388 states. [2018-07-22 05:22:31,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33388 to 33349. [2018-07-22 05:22:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33349 states. [2018-07-22 05:22:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33349 states to 33349 states and 48705 transitions. [2018-07-22 05:22:31,414 INFO L78 Accepts]: Start accepts. Automaton has 33349 states and 48705 transitions. Word has length 135 [2018-07-22 05:22:31,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:22:31,415 INFO L471 AbstractCegarLoop]: Abstraction has 33349 states and 48705 transitions. [2018-07-22 05:22:31,415 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:22:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 33349 states and 48705 transitions. [2018-07-22 05:22:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-07-22 05:22:31,424 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:22:31,425 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:22:31,425 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:22:31,425 INFO L82 PathProgramCache]: Analyzing trace with hash 486183870, now seen corresponding path program 1 times [2018-07-22 05:22:31,425 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:22:31,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:22:31,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:22:31,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:22:31,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:22:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:22:31,810 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-22 05:22:32,318 WARN L169 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 19 [2018-07-22 05:22:32,451 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2018-07-22 05:22:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-07-22 05:22:32,568 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:22:32,569 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-22 05:22:32,569 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-22 05:22:32,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-22 05:22:32,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-22 05:22:32,570 INFO L87 Difference]: Start difference. First operand 33349 states and 48705 transitions. Second operand 6 states. [2018-07-22 05:22:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:22:51,895 INFO L93 Difference]: Finished difference Result 106319 states and 153222 transitions. [2018-07-22 05:22:51,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-22 05:22:51,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2018-07-22 05:22:51,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:22:51,974 INFO L225 Difference]: With dead ends: 106319 [2018-07-22 05:22:51,974 INFO L226 Difference]: Without dead ends: 72972 [2018-07-22 05:22:51,993 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-07-22 05:22:52,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72972 states. [2018-07-22 05:22:52,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72972 to 71599. [2018-07-22 05:22:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71599 states. [2018-07-22 05:22:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71599 states to 71599 states and 99490 transitions. [2018-07-22 05:22:53,112 INFO L78 Accepts]: Start accepts. Automaton has 71599 states and 99490 transitions. Word has length 203 [2018-07-22 05:22:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:22:53,113 INFO L471 AbstractCegarLoop]: Abstraction has 71599 states and 99490 transitions. [2018-07-22 05:22:53,113 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-22 05:22:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 71599 states and 99490 transitions. [2018-07-22 05:22:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2018-07-22 05:22:53,148 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:22:53,149 INFO L358 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 05:22:53,149 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:22:53,149 INFO L82 PathProgramCache]: Analyzing trace with hash 765989067, now seen corresponding path program 1 times [2018-07-22 05:22:53,150 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:22:53,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:22:53,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:22:53,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:22:53,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:22:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:22:53,809 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-22 05:22:54,338 WARN L169 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2018-07-22 05:22:54,955 WARN L169 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2018-07-22 05:22:55,823 WARN L169 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-07-22 05:22:56,211 WARN L169 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 11 [2018-07-22 05:22:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-07-22 05:22:56,759 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:22:56,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-22 05:22:56,760 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-22 05:22:56,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-22 05:22:56,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-22 05:22:56,761 INFO L87 Difference]: Start difference. First operand 71599 states and 99490 transitions. Second operand 7 states. [2018-07-22 05:22:57,066 WARN L169 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2018-07-22 05:23:17,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:23:17,232 INFO L93 Difference]: Finished difference Result 171890 states and 235625 transitions. [2018-07-22 05:23:17,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-22 05:23:17,233 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 578 [2018-07-22 05:23:17,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:23:17,399 INFO L225 Difference]: With dead ends: 171890 [2018-07-22 05:23:17,399 INFO L226 Difference]: Without dead ends: 100293 [2018-07-22 05:23:17,434 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-07-22 05:23:17,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100293 states. [2018-07-22 05:23:18,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100293 to 94824. [2018-07-22 05:23:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94824 states. [2018-07-22 05:23:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94824 states to 94824 states and 123886 transitions. [2018-07-22 05:23:18,524 INFO L78 Accepts]: Start accepts. Automaton has 94824 states and 123886 transitions. Word has length 578 [2018-07-22 05:23:18,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:23:18,525 INFO L471 AbstractCegarLoop]: Abstraction has 94824 states and 123886 transitions. [2018-07-22 05:23:18,525 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-22 05:23:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 94824 states and 123886 transitions. [2018-07-22 05:23:18,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2018-07-22 05:23:18,568 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:23:18,569 INFO L358 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 05:23:18,569 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:23:18,570 INFO L82 PathProgramCache]: Analyzing trace with hash -832095899, now seen corresponding path program 1 times [2018-07-22 05:23:18,570 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:23:18,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:23:18,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:23:18,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:23:18,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:23:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:23:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 350 proven. 65 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-07-22 05:23:19,603 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 05:23:19,603 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-22 05:23:19,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:23:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:23:19,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 05:23:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-07-22 05:23:20,220 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 05:23:20,220 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-07-22 05:23:20,222 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:23:20,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:23:20,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:23:20,223 INFO L87 Difference]: Start difference. First operand 94824 states and 123886 transitions. Second operand 5 states. [2018-07-22 05:23:40,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:23:40,839 INFO L93 Difference]: Finished difference Result 383903 states and 512161 transitions. [2018-07-22 05:23:40,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-22 05:23:40,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 606 [2018-07-22 05:23:40,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:23:41,413 INFO L225 Difference]: With dead ends: 383903 [2018-07-22 05:23:41,414 INFO L226 Difference]: Without dead ends: 289081 [2018-07-22 05:23:41,518 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:23:41,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289081 states. [2018-07-22 05:23:49,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289081 to 198615. [2018-07-22 05:23:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198615 states. [2018-07-22 05:23:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198615 states to 198615 states and 237901 transitions. [2018-07-22 05:23:49,684 INFO L78 Accepts]: Start accepts. Automaton has 198615 states and 237901 transitions. Word has length 606 [2018-07-22 05:23:49,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:23:49,684 INFO L471 AbstractCegarLoop]: Abstraction has 198615 states and 237901 transitions. [2018-07-22 05:23:49,684 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 05:23:49,684 INFO L276 IsEmpty]: Start isEmpty. Operand 198615 states and 237901 transitions. [2018-07-22 05:23:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1102 [2018-07-22 05:23:49,783 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:23:49,784 INFO L358 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:23:49,784 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:23:49,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1141855049, now seen corresponding path program 1 times [2018-07-22 05:23:49,785 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:23:49,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:23:49,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:23:49,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:23:49,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:23:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:23:51,152 WARN L169 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-07-22 05:23:51,333 WARN L169 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2018-07-22 05:23:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 877 proven. 4 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2018-07-22 05:23:56,220 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 05:23:56,221 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 05:23:56,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:23:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:23:56,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 05:23:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 881 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2018-07-22 05:23:57,109 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 05:23:57,110 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-07-22 05:23:57,111 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:23:57,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:23:57,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:23:57,112 INFO L87 Difference]: Start difference. First operand 198615 states and 237901 transitions. Second operand 5 states. [2018-07-22 05:24:19,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:24:19,503 INFO L93 Difference]: Finished difference Result 414988 states and 494439 transitions. [2018-07-22 05:24:19,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-22 05:24:19,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1101 [2018-07-22 05:24:19,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:24:19,836 INFO L225 Difference]: With dead ends: 414988 [2018-07-22 05:24:19,837 INFO L226 Difference]: Without dead ends: 212274 [2018-07-22 05:24:19,944 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 1107 GetRequests, 1101 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-07-22 05:24:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212274 states. [2018-07-22 05:24:22,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212274 to 199973. [2018-07-22 05:24:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199973 states. [2018-07-22 05:24:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199973 states to 199973 states and 223712 transitions. [2018-07-22 05:24:22,339 INFO L78 Accepts]: Start accepts. Automaton has 199973 states and 223712 transitions. Word has length 1101 [2018-07-22 05:24:22,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:24:22,361 INFO L471 AbstractCegarLoop]: Abstraction has 199973 states and 223712 transitions. [2018-07-22 05:24:22,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 05:24:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 199973 states and 223712 transitions. [2018-07-22 05:24:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2018-07-22 05:24:22,387 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:24:22,388 INFO L358 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-22 05:24:22,388 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:24:22,389 INFO L82 PathProgramCache]: Analyzing trace with hash -614545174, now seen corresponding path program 1 times [2018-07-22 05:24:22,389 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:24:22,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:24:22,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:24:22,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:24:22,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:24:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:24:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 1022 proven. 72 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-07-22 05:24:25,439 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 05:24:25,439 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 05:24:25,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:24:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:24:26,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 05:24:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 1022 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2018-07-22 05:24:27,803 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 05:24:27,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-07-22 05:24:27,806 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 05:24:27,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 05:24:27,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 05:24:27,807 INFO L87 Difference]: Start difference. First operand 199973 states and 223712 transitions. Second operand 5 states. Received shutdown request... [2018-07-22 05:24:39,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:24:39,134 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-22 05:24:39,139 WARN L202 ceAbstractionStarter]: Timeout [2018-07-22 05:24:39,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:24:39 BoogieIcfgContainer [2018-07-22 05:24:39,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-22 05:24:39,141 INFO L168 Benchmark]: Toolchain (without parser) took 217615.86 ms. Allocated memory was 306.7 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 223.9 MB in the beginning and 1.0 GB in the end (delta: -802.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-07-22 05:24:39,141 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 05:24:39,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5027.43 ms. Allocated memory was 306.7 MB in the beginning and 390.6 MB in the end (delta: 83.9 MB). Free memory was 223.9 MB in the beginning and 111.0 MB in the end (delta: 112.9 MB). Peak memory consumption was 212.5 MB. Max. memory is 5.3 GB. [2018-07-22 05:24:39,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 1852.67 ms. Allocated memory was 390.6 MB in the beginning and 672.7 MB in the end (delta: 282.1 MB). Free memory was 111.0 MB in the beginning and 380.6 MB in the end (delta: -269.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 5.3 GB. [2018-07-22 05:24:39,143 INFO L168 Benchmark]: Boogie Preprocessor took 997.91 ms. Allocated memory was 672.7 MB in the beginning and 848.3 MB in the end (delta: 175.6 MB). Free memory was 380.6 MB in the beginning and 551.5 MB in the end (delta: -170.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 5.3 GB. [2018-07-22 05:24:39,144 INFO L168 Benchmark]: RCFGBuilder took 17316.14 ms. Allocated memory was 848.3 MB in the beginning and 1.2 GB in the end (delta: 350.2 MB). Free memory was 551.5 MB in the beginning and 837.4 MB in the end (delta: -285.9 MB). Peak memory consumption was 508.0 MB. Max. memory is 5.3 GB. [2018-07-22 05:24:39,144 INFO L168 Benchmark]: TraceAbstraction took 192407.30 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 837.4 MB in the beginning and 1.0 GB in the end (delta: -188.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-07-22 05:24:39,148 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 5027.43 ms. Allocated memory was 306.7 MB in the beginning and 390.6 MB in the end (delta: 83.9 MB). Free memory was 223.9 MB in the beginning and 111.0 MB in the end (delta: 112.9 MB). Peak memory consumption was 212.5 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 1852.67 ms. Allocated memory was 390.6 MB in the beginning and 672.7 MB in the end (delta: 282.1 MB). Free memory was 111.0 MB in the beginning and 380.6 MB in the end (delta: -269.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 997.91 ms. Allocated memory was 672.7 MB in the beginning and 848.3 MB in the end (delta: 175.6 MB). Free memory was 380.6 MB in the beginning and 551.5 MB in the end (delta: -170.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 5.3 GB. * RCFGBuilder took 17316.14 ms. Allocated memory was 848.3 MB in the beginning and 1.2 GB in the end (delta: 350.2 MB). Free memory was 551.5 MB in the beginning and 837.4 MB in the end (delta: -285.9 MB). Peak memory consumption was 508.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 192407.30 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 837.4 MB in the beginning and 1.0 GB in the end (delta: -188.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 46). Cancelled while BasicCegarLoop was constructing difference of abstraction (199973states) and interpolant automaton (currently 4 states, 5 states before enhancement), while ReachableStatesComputation was computing reachable states (244914 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 192.3s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 157.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9108 SDtfs, 46650 SDslu, 3545 SDs, 0 SdLazy, 89250 SolverSat, 18206 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 129.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3020 GetRequests, 2982 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199973occurred 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: 14.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 115470 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 6980 NumberOfCodeBlocks, 6980 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 6969 ConstructedInterpolants, 0 QuantifiedInterpolants, 18777465 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3416 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 7991/8132 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label17_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_05-24-39-171.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label17_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-22_05-24-39-171.csv Completed graceful shutdown