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/Problem03_label36_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 06:30:28,550 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 06:30:28,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 06:30:28,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 06:30:28,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 06:30:28,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 06:30:28,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 06:30:28,577 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 06:30:28,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 06:30:28,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 06:30:28,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 06:30:28,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 06:30:28,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 06:30:28,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 06:30:28,587 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 06:30:28,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 06:30:28,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 06:30:28,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 06:30:28,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 06:30:28,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 06:30:28,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 06:30:28,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 06:30:28,609 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-22 06:30:28,622 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 06:30:28,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 06:30:28,645 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 06:30:28,646 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 06:30:28,646 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 06:30:28,647 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 06:30:28,647 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 06:30:28,647 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 06:30:28,647 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 06:30:28,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 06:30:28,650 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 06:30:28,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 06:30:28,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 06:30:28,651 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 06:30:28,651 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 06:30:28,651 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 06:30:28,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 06:30:28,651 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 06:30:28,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 06:30:28,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 06:30:28,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 06:30:28,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 06:30:28,652 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 06:30:28,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 06:30:28,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 06:30:28,653 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 06:30:28,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 06:30:28,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 06:30:28,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 06:30:28,653 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 06:30:28,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 06:30:28,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 06:30:28,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 06:30:28,728 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 06:30:28,728 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 06:30:28,729 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-07-22 06:30:29,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/cd13050e9/97bcd7999e0943ba8d8f49aa56069273/FLAG369373730 [2018-07-22 06:30:29,521 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 06:30:29,522 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label36_true-unreach-call.c [2018-07-22 06:30:29,564 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/cd13050e9/97bcd7999e0943ba8d8f49aa56069273/FLAG369373730 [2018-07-22 06:30:29,582 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/cd13050e9/97bcd7999e0943ba8d8f49aa56069273 [2018-07-22 06:30:29,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 06:30:29,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 06:30:29,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 06:30:29,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 06:30:29,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 06:30:29,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:30:29" (1/1) ... [2018-07-22 06:30:29,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708af1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:29, skipping insertion in model container [2018-07-22 06:30:29,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:30:29" (1/1) ... [2018-07-22 06:30:29,897 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 06:30:30,420 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 06:30:30,437 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 06:30:31,004 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 06:30:31,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31 WrapperNode [2018-07-22 06:30:31,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 06:30:31,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 06:30:31,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 06:30:31,085 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 06:30:31,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 06:30:31,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 06:30:31,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 06:30:31,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 06:30:31,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (1/1) ... [2018-07-22 06:30:31,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 06:30:31,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 06:30:31,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 06:30:31,402 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 06:30:31,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (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 06:30:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 06:30:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 06:30:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 06:30:38,032 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 06:30:38,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:30:38 BoogieIcfgContainer [2018-07-22 06:30:38,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 06:30:38,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 06:30:38,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 06:30:38,037 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 06:30:38,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 06:30:29" (1/3) ... [2018-07-22 06:30:38,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9ef260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:30:38, skipping insertion in model container [2018-07-22 06:30:38,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:31" (2/3) ... [2018-07-22 06:30:38,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9ef260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:30:38, skipping insertion in model container [2018-07-22 06:30:38,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:30:38" (3/3) ... [2018-07-22 06:30:38,040 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label36_true-unreach-call.c [2018-07-22 06:30:38,050 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 06:30:38,058 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 06:30:38,117 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 06:30:38,117 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 06:30:38,117 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 06:30:38,118 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 06:30:38,118 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 06:30:38,118 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 06:30:38,118 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 06:30:38,118 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 06:30:38,118 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 06:30:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2018-07-22 06:30:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-22 06:30:38,176 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:38,177 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:38,177 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:38,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1071522756, now seen corresponding path program 1 times [2018-07-22 06:30:38,183 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:38,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:38,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:38,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:38,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:39,152 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 06:30:39,154 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:39,155 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:30:39,159 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:30:39,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:30:39,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:30:39,178 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 4 states. [2018-07-22 06:30:41,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:41,732 INFO L93 Difference]: Finished difference Result 1072 states and 1917 transitions. [2018-07-22 06:30:41,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 06:30:41,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 180 [2018-07-22 06:30:41,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:41,788 INFO L225 Difference]: With dead ends: 1072 [2018-07-22 06:30:41,789 INFO L226 Difference]: Without dead ends: 762 [2018-07-22 06:30:41,794 INFO L578 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 [2018-07-22 06:30:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2018-07-22 06:30:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 518. [2018-07-22 06:30:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-07-22 06:30:41,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 855 transitions. [2018-07-22 06:30:41,872 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 855 transitions. Word has length 180 [2018-07-22 06:30:41,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:41,873 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 855 transitions. [2018-07-22 06:30:41,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 06:30:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 855 transitions. [2018-07-22 06:30:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-22 06:30:41,880 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:41,880 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 06:30:41,881 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:41,881 INFO L82 PathProgramCache]: Analyzing trace with hash -2677451, now seen corresponding path program 1 times [2018-07-22 06:30:41,881 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:41,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:41,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:41,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:41,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 06:30:42,050 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:42,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-22 06:30:42,052 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:30:42,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:30:42,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:42,053 INFO L87 Difference]: Start difference. First operand 518 states and 855 transitions. Second operand 3 states. [2018-07-22 06:30:42,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:42,532 INFO L93 Difference]: Finished difference Result 1534 states and 2541 transitions. [2018-07-22 06:30:42,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:30:42,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2018-07-22 06:30:42,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:42,538 INFO L225 Difference]: With dead ends: 1534 [2018-07-22 06:30:42,539 INFO L226 Difference]: Without dead ends: 1018 [2018-07-22 06:30:42,542 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:42,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2018-07-22 06:30:42,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1016. [2018-07-22 06:30:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2018-07-22 06:30:42,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1680 transitions. [2018-07-22 06:30:42,596 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1680 transitions. Word has length 186 [2018-07-22 06:30:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:42,596 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1680 transitions. [2018-07-22 06:30:42,596 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:30:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1680 transitions. [2018-07-22 06:30:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-22 06:30:42,601 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:42,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:42,602 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:42,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1664876221, now seen corresponding path program 1 times [2018-07-22 06:30:42,602 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:42,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:42,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:42,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:42,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:42,736 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 06:30:42,737 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:42,737 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-22 06:30:42,737 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:30:42,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:30:42,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:42,738 INFO L87 Difference]: Start difference. First operand 1016 states and 1680 transitions. Second operand 3 states. [2018-07-22 06:30:47,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:47,528 INFO L93 Difference]: Finished difference Result 2884 states and 4874 transitions. [2018-07-22 06:30:47,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:30:47,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2018-07-22 06:30:47,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:47,538 INFO L225 Difference]: With dead ends: 2884 [2018-07-22 06:30:47,538 INFO L226 Difference]: Without dead ends: 1870 [2018-07-22 06:30:47,541 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:47,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1870 states. [2018-07-22 06:30:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1870 to 1842. [2018-07-22 06:30:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1842 states. [2018-07-22 06:30:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2992 transitions. [2018-07-22 06:30:47,612 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2992 transitions. Word has length 189 [2018-07-22 06:30:47,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:47,612 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2992 transitions. [2018-07-22 06:30:47,612 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:30:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2992 transitions. [2018-07-22 06:30:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-22 06:30:47,622 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:47,623 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 06:30:47,623 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:47,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1094545316, now seen corresponding path program 1 times [2018-07-22 06:30:47,623 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:47,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:47,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:47,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:47,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 06:30:47,854 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:47,854 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:30:47,854 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:30:47,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:30:47,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:30:47,855 INFO L87 Difference]: Start difference. First operand 1842 states and 2992 transitions. Second operand 4 states. [2018-07-22 06:30:51,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:51,244 INFO L93 Difference]: Finished difference Result 7038 states and 11599 transitions. [2018-07-22 06:30:51,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 06:30:51,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 196 [2018-07-22 06:30:51,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:51,265 INFO L225 Difference]: With dead ends: 7038 [2018-07-22 06:30:51,265 INFO L226 Difference]: Without dead ends: 5198 [2018-07-22 06:30:51,268 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 06:30:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5198 states. [2018-07-22 06:30:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5198 to 3484. [2018-07-22 06:30:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3484 states. [2018-07-22 06:30:51,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5336 transitions. [2018-07-22 06:30:51,378 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5336 transitions. Word has length 196 [2018-07-22 06:30:51,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:51,378 INFO L471 AbstractCegarLoop]: Abstraction has 3484 states and 5336 transitions. [2018-07-22 06:30:51,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 06:30:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5336 transitions. [2018-07-22 06:30:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-22 06:30:51,387 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:51,387 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 06:30:51,387 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:51,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1680988393, now seen corresponding path program 1 times [2018-07-22 06:30:51,388 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:51,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:51,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:51,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:51,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-07-22 06:30:51,729 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:51,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:30:51,729 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:30:51,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:30:51,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:51,730 INFO L87 Difference]: Start difference. First operand 3484 states and 5336 transitions. Second operand 3 states. [2018-07-22 06:30:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:52,585 INFO L93 Difference]: Finished difference Result 10250 states and 15789 transitions. [2018-07-22 06:30:52,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:30:52,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-07-22 06:30:52,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:52,653 INFO L225 Difference]: With dead ends: 10250 [2018-07-22 06:30:52,653 INFO L226 Difference]: Without dead ends: 6768 [2018-07-22 06:30:52,659 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:52,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6768 states. [2018-07-22 06:30:52,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6768 to 6754. [2018-07-22 06:30:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6754 states. [2018-07-22 06:30:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6754 states to 6754 states and 9828 transitions. [2018-07-22 06:30:52,858 INFO L78 Accepts]: Start accepts. Automaton has 6754 states and 9828 transitions. Word has length 197 [2018-07-22 06:30:52,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:52,860 INFO L471 AbstractCegarLoop]: Abstraction has 6754 states and 9828 transitions. [2018-07-22 06:30:52,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:30:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 6754 states and 9828 transitions. [2018-07-22 06:30:52,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-22 06:30:52,875 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:52,875 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-07-22 06:30:52,875 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:52,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1841420693, now seen corresponding path program 1 times [2018-07-22 06:30:52,876 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:52,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:52,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:52,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:52,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-07-22 06:30:53,050 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:53,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-22 06:30:53,051 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:30:53,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:30:53,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:53,051 INFO L87 Difference]: Start difference. First operand 6754 states and 9828 transitions. Second operand 3 states. [2018-07-22 06:30:54,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:54,368 INFO L93 Difference]: Finished difference Result 13449 states and 19577 transitions. [2018-07-22 06:30:54,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:30:54,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2018-07-22 06:30:54,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:54,389 INFO L225 Difference]: With dead ends: 13449 [2018-07-22 06:30:54,389 INFO L226 Difference]: Without dead ends: 6697 [2018-07-22 06:30:54,397 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:54,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6697 states. [2018-07-22 06:30:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6697 to 6697. [2018-07-22 06:30:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6697 states. [2018-07-22 06:30:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6697 states to 6697 states and 9583 transitions. [2018-07-22 06:30:54,560 INFO L78 Accepts]: Start accepts. Automaton has 6697 states and 9583 transitions. Word has length 218 [2018-07-22 06:30:54,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:54,560 INFO L471 AbstractCegarLoop]: Abstraction has 6697 states and 9583 transitions. [2018-07-22 06:30:54,560 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:30:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 6697 states and 9583 transitions. [2018-07-22 06:30:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-22 06:30:54,574 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:54,575 INFO L358 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 06:30:54,575 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:54,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1069516093, now seen corresponding path program 1 times [2018-07-22 06:30:54,576 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:54,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:54,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:54,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:54,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-07-22 06:30:54,738 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:54,738 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:30:54,739 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:30:54,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:30:54,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:54,739 INFO L87 Difference]: Start difference. First operand 6697 states and 9583 transitions. Second operand 3 states. [2018-07-22 06:30:55,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:55,784 INFO L93 Difference]: Finished difference Result 19924 states and 28571 transitions. [2018-07-22 06:30:55,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:30:55,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2018-07-22 06:30:55,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:55,826 INFO L225 Difference]: With dead ends: 19924 [2018-07-22 06:30:55,826 INFO L226 Difference]: Without dead ends: 13229 [2018-07-22 06:30:55,838 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:55,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13229 states. [2018-07-22 06:30:56,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13229 to 13225. [2018-07-22 06:30:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13225 states. [2018-07-22 06:30:56,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13225 states to 13225 states and 17011 transitions. [2018-07-22 06:30:56,099 INFO L78 Accepts]: Start accepts. Automaton has 13225 states and 17011 transitions. Word has length 228 [2018-07-22 06:30:56,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:56,100 INFO L471 AbstractCegarLoop]: Abstraction has 13225 states and 17011 transitions. [2018-07-22 06:30:56,100 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:30:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 13225 states and 17011 transitions. [2018-07-22 06:30:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-07-22 06:30:56,134 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:56,135 INFO L358 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, 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] [2018-07-22 06:30:56,135 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:56,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1951461894, now seen corresponding path program 1 times [2018-07-22 06:30:56,135 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:56,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:56,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:56,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:56,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-07-22 06:30:56,292 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:56,292 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:30:56,292 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:30:56,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:30:56,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:30:56,293 INFO L87 Difference]: Start difference. First operand 13225 states and 17011 transitions. Second operand 4 states. [2018-07-22 06:30:57,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:57,673 INFO L93 Difference]: Finished difference Result 26454 states and 34031 transitions. [2018-07-22 06:30:57,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:30:57,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 249 [2018-07-22 06:30:57,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:57,731 INFO L225 Difference]: With dead ends: 26454 [2018-07-22 06:30:57,731 INFO L226 Difference]: Without dead ends: 13231 [2018-07-22 06:30:57,744 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 06:30:57,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13231 states. [2018-07-22 06:30:57,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13231 to 13225. [2018-07-22 06:30:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13225 states. [2018-07-22 06:30:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13225 states to 13225 states and 16319 transitions. [2018-07-22 06:30:57,944 INFO L78 Accepts]: Start accepts. Automaton has 13225 states and 16319 transitions. Word has length 249 [2018-07-22 06:30:57,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:57,945 INFO L471 AbstractCegarLoop]: Abstraction has 13225 states and 16319 transitions. [2018-07-22 06:30:57,945 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 06:30:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 13225 states and 16319 transitions. [2018-07-22 06:30:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-07-22 06:30:57,971 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:57,972 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:30:57,972 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:57,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1266203386, now seen corresponding path program 1 times [2018-07-22 06:30:57,972 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:57,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:57,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:57,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:57,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-07-22 06:30:58,148 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:58,148 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:30:58,150 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:30:58,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:30:58,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:58,150 INFO L87 Difference]: Start difference. First operand 13225 states and 16319 transitions. Second operand 3 states. [2018-07-22 06:30:59,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:30:59,057 INFO L93 Difference]: Finished difference Result 39035 states and 48046 transitions. [2018-07-22 06:30:59,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:30:59,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2018-07-22 06:30:59,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:30:59,103 INFO L225 Difference]: With dead ends: 39035 [2018-07-22 06:30:59,103 INFO L226 Difference]: Without dead ends: 25812 [2018-07-22 06:30:59,119 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:59,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25812 states. [2018-07-22 06:30:59,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25812 to 25809. [2018-07-22 06:30:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25809 states. [2018-07-22 06:30:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25809 states to 25809 states and 31223 transitions. [2018-07-22 06:30:59,486 INFO L78 Accepts]: Start accepts. Automaton has 25809 states and 31223 transitions. Word has length 253 [2018-07-22 06:30:59,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:30:59,486 INFO L471 AbstractCegarLoop]: Abstraction has 25809 states and 31223 transitions. [2018-07-22 06:30:59,486 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:30:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 25809 states and 31223 transitions. [2018-07-22 06:30:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-22 06:30:59,512 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:30:59,512 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 06:30:59,512 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:30:59,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1754809, now seen corresponding path program 1 times [2018-07-22 06:30:59,513 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:30:59,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:30:59,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:59,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:30:59,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:30:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:30:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 06:30:59,803 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:30:59,803 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-22 06:30:59,803 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:30:59,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:30:59,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:30:59,804 INFO L87 Difference]: Start difference. First operand 25809 states and 31223 transitions. Second operand 3 states. [2018-07-22 06:31:00,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:31:00,978 INFO L93 Difference]: Finished difference Result 61647 states and 74123 transitions. [2018-07-22 06:31:00,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:31:00,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2018-07-22 06:31:00,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:31:01,019 INFO L225 Difference]: With dead ends: 61647 [2018-07-22 06:31:01,020 INFO L226 Difference]: Without dead ends: 35840 [2018-07-22 06:31:01,047 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:31:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35840 states. [2018-07-22 06:31:01,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35840 to 35836. [2018-07-22 06:31:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35836 states. [2018-07-22 06:31:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35836 states to 35836 states and 42606 transitions. [2018-07-22 06:31:01,433 INFO L78 Accepts]: Start accepts. Automaton has 35836 states and 42606 transitions. Word has length 254 [2018-07-22 06:31:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:31:01,434 INFO L471 AbstractCegarLoop]: Abstraction has 35836 states and 42606 transitions. [2018-07-22 06:31:01,434 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:31:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 35836 states and 42606 transitions. [2018-07-22 06:31:01,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-22 06:31:01,455 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:31:01,455 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 06:31:01,455 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:31:01,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2121374838, now seen corresponding path program 1 times [2018-07-22 06:31:01,456 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:31:01,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:31:01,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:01,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:01,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:02,034 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 06:31:02,034 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:31:02,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:31:02,035 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:31:02,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:31:02,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:31:02,036 INFO L87 Difference]: Start difference. First operand 35836 states and 42606 transitions. Second operand 4 states. [2018-07-22 06:31:04,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:31:04,126 INFO L93 Difference]: Finished difference Result 122840 states and 146066 transitions. [2018-07-22 06:31:04,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 06:31:04,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 256 [2018-07-22 06:31:04,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:31:04,204 INFO L225 Difference]: With dead ends: 122840 [2018-07-22 06:31:04,204 INFO L226 Difference]: Without dead ends: 87006 [2018-07-22 06:31:04,236 INFO L578 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 [2018-07-22 06:31:04,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87006 states. [2018-07-22 06:31:05,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87006 to 62762. [2018-07-22 06:31:05,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62762 states. [2018-07-22 06:31:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62762 states to 62762 states and 73943 transitions. [2018-07-22 06:31:05,078 INFO L78 Accepts]: Start accepts. Automaton has 62762 states and 73943 transitions. Word has length 256 [2018-07-22 06:31:05,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:31:05,078 INFO L471 AbstractCegarLoop]: Abstraction has 62762 states and 73943 transitions. [2018-07-22 06:31:05,078 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 06:31:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 62762 states and 73943 transitions. [2018-07-22 06:31:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-22 06:31:05,102 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:31:05,102 INFO L358 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 06:31:05,102 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:31:05,104 INFO L82 PathProgramCache]: Analyzing trace with hash 620669070, now seen corresponding path program 1 times [2018-07-22 06:31:05,104 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:31:05,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:31:05,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:05,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:05,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-07-22 06:31:05,471 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:31:05,471 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:31:05,472 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:31:05,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:31:05,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:31:05,472 INFO L87 Difference]: Start difference. First operand 62762 states and 73943 transitions. Second operand 4 states. [2018-07-22 06:31:07,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:31:07,803 INFO L93 Difference]: Finished difference Result 144295 states and 171928 transitions. [2018-07-22 06:31:07,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 06:31:07,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2018-07-22 06:31:07,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:31:07,879 INFO L225 Difference]: With dead ends: 144295 [2018-07-22 06:31:07,879 INFO L226 Difference]: Without dead ends: 81535 [2018-07-22 06:31:07,944 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:31:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81535 states. [2018-07-22 06:31:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81535 to 81530. [2018-07-22 06:31:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81530 states. [2018-07-22 06:31:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81530 states to 81530 states and 93051 transitions. [2018-07-22 06:31:09,040 INFO L78 Accepts]: Start accepts. Automaton has 81530 states and 93051 transitions. Word has length 260 [2018-07-22 06:31:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:31:09,040 INFO L471 AbstractCegarLoop]: Abstraction has 81530 states and 93051 transitions. [2018-07-22 06:31:09,041 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 06:31:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 81530 states and 93051 transitions. [2018-07-22 06:31:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-07-22 06:31:09,065 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:31:09,065 INFO L358 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 06:31:09,065 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:31:09,066 INFO L82 PathProgramCache]: Analyzing trace with hash -361819885, now seen corresponding path program 1 times [2018-07-22 06:31:09,066 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:31:09,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:31:09,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:09,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:09,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:09,436 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-07-22 06:31:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-07-22 06:31:09,624 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 06:31:09,625 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 06:31:09,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:09,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 06:31:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-22 06:31:10,088 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 06:31:10,089 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-07-22 06:31:10,089 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-22 06:31:10,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-22 06:31:10,090 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-22 06:31:10,090 INFO L87 Difference]: Start difference. First operand 81530 states and 93051 transitions. Second operand 6 states. [2018-07-22 06:31:15,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:31:15,890 INFO L93 Difference]: Finished difference Result 227991 states and 260776 transitions. [2018-07-22 06:31:15,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-22 06:31:15,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 291 [2018-07-22 06:31:15,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:31:16,036 INFO L225 Difference]: With dead ends: 227991 [2018-07-22 06:31:16,037 INFO L226 Difference]: Without dead ends: 146463 [2018-07-22 06:31:16,087 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-07-22 06:31:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146463 states. [2018-07-22 06:31:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146463 to 144369. [2018-07-22 06:31:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144369 states. [2018-07-22 06:31:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144369 states to 144369 states and 161166 transitions. [2018-07-22 06:31:17,600 INFO L78 Accepts]: Start accepts. Automaton has 144369 states and 161166 transitions. Word has length 291 [2018-07-22 06:31:17,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:31:17,600 INFO L471 AbstractCegarLoop]: Abstraction has 144369 states and 161166 transitions. [2018-07-22 06:31:17,600 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-22 06:31:17,601 INFO L276 IsEmpty]: Start isEmpty. Operand 144369 states and 161166 transitions. [2018-07-22 06:31:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-07-22 06:31:17,630 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:31:17,630 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-22 06:31:17,630 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:31:17,630 INFO L82 PathProgramCache]: Analyzing trace with hash 393285658, now seen corresponding path program 1 times [2018-07-22 06:31:17,631 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:31:17,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:31:17,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:17,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:17,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-07-22 06:31:18,490 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:31:18,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-22 06:31:18,491 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:31:18,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:31:18,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:31:18,493 INFO L87 Difference]: Start difference. First operand 144369 states and 161166 transitions. Second operand 3 states. [2018-07-22 06:31:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:31:21,172 INFO L93 Difference]: Finished difference Result 385196 states and 428174 transitions. [2018-07-22 06:31:21,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:31:21,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 335 [2018-07-22 06:31:21,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:31:21,422 INFO L225 Difference]: With dead ends: 385196 [2018-07-22 06:31:21,422 INFO L226 Difference]: Without dead ends: 240829 [2018-07-22 06:31:21,505 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:31:21,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240829 states. [2018-07-22 06:31:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240829 to 240829. [2018-07-22 06:31:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240829 states. [2018-07-22 06:31:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240829 states to 240829 states and 266929 transitions. [2018-07-22 06:31:28,032 INFO L78 Accepts]: Start accepts. Automaton has 240829 states and 266929 transitions. Word has length 335 [2018-07-22 06:31:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:31:28,033 INFO L471 AbstractCegarLoop]: Abstraction has 240829 states and 266929 transitions. [2018-07-22 06:31:28,033 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:31:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 240829 states and 266929 transitions. [2018-07-22 06:31:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-07-22 06:31:28,139 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:31:28,139 INFO L358 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:28,140 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:31:28,140 INFO L82 PathProgramCache]: Analyzing trace with hash 671878944, now seen corresponding path program 1 times [2018-07-22 06:31:28,140 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:31:28,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:31:28,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:28,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:28,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-07-22 06:31:28,572 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:31:28,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:31:28,572 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:31:28,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:31:28,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:31:28,573 INFO L87 Difference]: Start difference. First operand 240829 states and 266929 transitions. Second operand 4 states. [2018-07-22 06:31:33,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:31:33,190 INFO L93 Difference]: Finished difference Result 498470 states and 553072 transitions. [2018-07-22 06:31:33,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 06:31:33,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 473 [2018-07-22 06:31:33,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:31:33,478 INFO L225 Difference]: With dead ends: 498470 [2018-07-22 06:31:33,478 INFO L226 Difference]: Without dead ends: 257643 [2018-07-22 06:31:33,568 INFO L578 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 [2018-07-22 06:31:33,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257643 states. [2018-07-22 06:31:40,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257643 to 256577. [2018-07-22 06:31:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256577 states. [2018-07-22 06:31:40,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256577 states to 256577 states and 283829 transitions. [2018-07-22 06:31:40,811 INFO L78 Accepts]: Start accepts. Automaton has 256577 states and 283829 transitions. Word has length 473 [2018-07-22 06:31:40,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:31:40,812 INFO L471 AbstractCegarLoop]: Abstraction has 256577 states and 283829 transitions. [2018-07-22 06:31:40,812 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 06:31:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 256577 states and 283829 transitions. [2018-07-22 06:31:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2018-07-22 06:31:41,600 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:31:41,601 INFO L358 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2018-07-22 06:31:41,601 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:31:41,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1300565542, now seen corresponding path program 1 times [2018-07-22 06:31:41,601 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:31:41,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:31:41,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:41,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:41,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:42,127 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-07-22 06:31:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2018-07-22 06:31:42,260 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:31:42,260 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 06:31:42,261 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 06:31:42,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 06:31:42,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 06:31:42,264 INFO L87 Difference]: Start difference. First operand 256577 states and 283829 transitions. Second operand 5 states. [2018-07-22 06:31:50,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:31:50,900 INFO L93 Difference]: Finished difference Result 646954 states and 715588 transitions. [2018-07-22 06:31:50,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-22 06:31:50,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 483 [2018-07-22 06:31:50,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:31:51,367 INFO L225 Difference]: With dead ends: 646954 [2018-07-22 06:31:51,367 INFO L226 Difference]: Without dead ends: 390379 [2018-07-22 06:31:51,483 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-22 06:31:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390379 states. [2018-07-22 06:31:56,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390379 to 377207. [2018-07-22 06:31:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377207 states. [2018-07-22 06:31:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377207 states to 377207 states and 415529 transitions. [2018-07-22 06:31:56,952 INFO L78 Accepts]: Start accepts. Automaton has 377207 states and 415529 transitions. Word has length 483 [2018-07-22 06:31:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:31:56,952 INFO L471 AbstractCegarLoop]: Abstraction has 377207 states and 415529 transitions. [2018-07-22 06:31:56,952 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 06:31:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 377207 states and 415529 transitions. [2018-07-22 06:31:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2018-07-22 06:31:57,070 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:31:57,070 INFO L358 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 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] [2018-07-22 06:31:57,070 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:31:57,070 INFO L82 PathProgramCache]: Analyzing trace with hash 995488593, now seen corresponding path program 1 times [2018-07-22 06:31:57,070 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:31:57,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:31:57,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:57,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:31:57,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:31:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:31:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-07-22 06:31:57,627 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:31:57,628 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:31:57,628 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:31:57,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:31:57,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:31:57,629 INFO L87 Difference]: Start difference. First operand 377207 states and 415529 transitions. Second operand 4 states. [2018-07-22 06:32:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:32:06,302 INFO L93 Difference]: Finished difference Result 1381125 states and 1520583 transitions. [2018-07-22 06:32:06,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 06:32:06,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 501 [2018-07-22 06:32:06,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:32:08,677 INFO L225 Difference]: With dead ends: 1381125 [2018-07-22 06:32:08,678 INFO L226 Difference]: Without dead ends: 1003920 [2018-07-22 06:32:08,835 INFO L578 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 [2018-07-22 06:32:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003920 states. [2018-07-22 06:32:26,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003920 to 642070. [2018-07-22 06:32:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642070 states. [2018-07-22 06:32:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642070 states to 642070 states and 706221 transitions. [2018-07-22 06:32:28,564 INFO L78 Accepts]: Start accepts. Automaton has 642070 states and 706221 transitions. Word has length 501 [2018-07-22 06:32:28,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:32:28,581 INFO L471 AbstractCegarLoop]: Abstraction has 642070 states and 706221 transitions. [2018-07-22 06:32:28,581 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 06:32:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 642070 states and 706221 transitions. [2018-07-22 06:32:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-07-22 06:32:28,754 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:32:28,754 INFO L358 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:28,754 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:32:28,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1532888050, now seen corresponding path program 1 times [2018-07-22 06:32:28,758 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:32:28,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:32:28,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:32:28,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:32:28,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:32:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:32:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-07-22 06:32:29,140 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:32:29,140 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 06:32:29,141 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 06:32:29,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 06:32:29,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:32:29,141 INFO L87 Difference]: Start difference. First operand 642070 states and 706221 transitions. Second operand 3 states. [2018-07-22 06:32:41,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:32:41,070 INFO L93 Difference]: Finished difference Result 1243561 states and 1368354 transitions. [2018-07-22 06:32:41,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-22 06:32:41,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 511 [2018-07-22 06:32:41,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:32:41,769 INFO L225 Difference]: With dead ends: 1243561 [2018-07-22 06:32:41,769 INFO L226 Difference]: Without dead ends: 601493 [2018-07-22 06:32:42,002 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 06:32:42,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601493 states. [2018-07-22 06:32:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601493 to 601479. [2018-07-22 06:32:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601479 states. [2018-07-22 06:33:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601479 states to 601479 states and 650072 transitions. [2018-07-22 06:33:00,655 INFO L78 Accepts]: Start accepts. Automaton has 601479 states and 650072 transitions. Word has length 511 [2018-07-22 06:33:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 06:33:00,656 INFO L471 AbstractCegarLoop]: Abstraction has 601479 states and 650072 transitions. [2018-07-22 06:33:00,656 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-22 06:33:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 601479 states and 650072 transitions. [2018-07-22 06:33:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2018-07-22 06:33:00,776 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 06:33:00,777 INFO L358 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:00,777 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 06:33:00,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1885773798, now seen corresponding path program 1 times [2018-07-22 06:33:00,777 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 06:33:00,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 06:33:00,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:33:00,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 06:33:00,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 06:33:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 06:33:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-07-22 06:33:02,229 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 06:33:02,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 06:33:02,230 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 06:33:02,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 06:33:02,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 06:33:02,233 INFO L87 Difference]: Start difference. First operand 601479 states and 650072 transitions. Second operand 4 states. [2018-07-22 06:33:10,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 06:33:10,403 INFO L93 Difference]: Finished difference Result 1679589 states and 1811592 transitions. [2018-07-22 06:33:10,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 06:33:10,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 523 [2018-07-22 06:33:10,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 06:33:23,364 INFO L225 Difference]: With dead ends: 1679589 [2018-07-22 06:33:23,388 INFO L226 Difference]: Without dead ends: 1078112 [2018-07-22 06:33:23,628 INFO L578 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 [2018-07-22 06:33:24,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078112 states. Received shutdown request... [2018-07-22 06:33:35,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078112 to 832583. [2018-07-22 06:33:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832583 states. [2018-07-22 06:33:35,670 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-22 06:33:35,675 WARN L202 ceAbstractionStarter]: Timeout [2018-07-22 06:33:35,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 06:33:35 BoogieIcfgContainer [2018-07-22 06:33:35,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-22 06:33:35,676 INFO L168 Benchmark]: Toolchain (without parser) took 186083.15 ms. Allocated memory was 302.5 MB in the beginning and 4.6 GB in the end (delta: 4.3 GB). Free memory was 242.8 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 4.6 GB. Max. memory is 5.3 GB. [2018-07-22 06:33:35,677 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 302.5 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 06:33:35,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1483.18 ms. Allocated memory was 302.5 MB in the beginning and 335.5 MB in the end (delta: 33.0 MB). Free memory was 242.8 MB in the beginning and 273.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 73.3 MB. Max. memory is 5.3 GB. [2018-07-22 06:33:35,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.69 ms. Allocated memory is still 335.5 MB. Free memory was 273.4 MB in the beginning and 257.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 5.3 GB. [2018-07-22 06:33:35,679 INFO L168 Benchmark]: Boogie Preprocessor took 153.19 ms. Allocated memory is still 335.5 MB. Free memory was 257.7 MB in the beginning and 246.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB. [2018-07-22 06:33:35,679 INFO L168 Benchmark]: RCFGBuilder took 6631.53 ms. Allocated memory was 335.5 MB in the beginning and 526.4 MB in the end (delta: 190.8 MB). Free memory was 246.7 MB in the beginning and 395.3 MB in the end (delta: -148.6 MB). Peak memory consumption was 159.0 MB. Max. memory is 5.3 GB. [2018-07-22 06:33:35,680 INFO L168 Benchmark]: TraceAbstraction took 177641.75 ms. Allocated memory was 526.4 MB in the beginning and 4.6 GB in the end (delta: 4.1 GB). Free memory was 395.3 MB in the beginning and 1.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 5.3 GB. [2018-07-22 06:33:35,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 302.5 MB. Free memory is still 267.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1483.18 ms. Allocated memory was 302.5 MB in the beginning and 335.5 MB in the end (delta: 33.0 MB). Free memory was 242.8 MB in the beginning and 273.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 73.3 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 162.69 ms. Allocated memory is still 335.5 MB. Free memory was 273.4 MB in the beginning and 257.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 153.19 ms. Allocated memory is still 335.5 MB. Free memory was 257.7 MB in the beginning and 246.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 6631.53 ms. Allocated memory was 335.5 MB in the beginning and 526.4 MB in the end (delta: 190.8 MB). Free memory was 246.7 MB in the beginning and 395.3 MB in the end (delta: -148.6 MB). Peak memory consumption was 159.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 177641.75 ms. Allocated memory was 526.4 MB in the beginning and 4.6 GB in the end (delta: 4.1 GB). Free memory was 395.3 MB in the beginning and 1.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1572]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1572). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. TIMEOUT Result, 177.5s OverallTime, 19 OverallIterations, 7 TraceHistogramMax, 91.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6171 SDtfs, 11327 SDslu, 4121 SDs, 0 SdLazy, 14753 SolverSat, 3636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 317 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=642070occurred in iteration=17, 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: 74.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 404464 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 6074 NumberOfCodeBlocks, 6074 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6054 ConstructedInterpolants, 0 QuantifiedInterpolants, 3386931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 20 InterpolantComputations, 19 PerfectInterpolantSequences, 5018/5022 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/Problem03_label36_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_06-33-35-706.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem03_label36_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-22_06-33-35-706.csv Completed graceful shutdown