/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:43:19,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:43:19,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:43:19,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:43:19,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:43:19,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:43:19,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:43:19,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:43:19,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:43:19,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:43:19,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:43:19,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:43:19,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:43:19,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:43:19,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:43:19,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:43:19,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:43:19,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:43:19,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:43:19,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:43:19,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:43:19,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:43:19,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:43:19,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:43:19,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:43:19,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:43:19,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:43:19,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:43:19,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:43:19,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:43:19,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:43:19,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:43:19,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:43:19,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:43:19,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:43:19,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:43:19,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:43:19,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:43:19,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:43:19,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:43:19,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:43:19,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:43:19,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:43:19,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:43:19,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:43:19,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:43:19,555 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:43:19,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:43:19,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:43:19,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:43:19,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:43:19,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:43:19,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:43:19,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:43:19,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:43:19,556 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:43:19,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:43:19,557 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:43:19,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:43:19,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:43:19,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:43:19,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:43:19,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:43:19,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:43:19,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:43:19,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:43:19,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:43:19,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:43:19,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:43:19,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:43:19,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:43:19,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:43:19,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:43:19,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:43:19,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:43:19,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:43:19,859 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:43:19,860 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2020-10-12 16:43:19,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1576ce5bf/57ccde2d501f4b05b4d69ec6dee558bd/FLAG54cf61197 [2020-10-12 16:43:20,525 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:43:20,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product19.cil.c [2020-10-12 16:43:20,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1576ce5bf/57ccde2d501f4b05b4d69ec6dee558bd/FLAG54cf61197 [2020-10-12 16:43:20,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1576ce5bf/57ccde2d501f4b05b4d69ec6dee558bd [2020-10-12 16:43:20,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:43:20,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:43:20,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:43:20,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:43:20,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:43:20,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:43:20" (1/1) ... [2020-10-12 16:43:20,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313ced9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:20, skipping insertion in model container [2020-10-12 16:43:20,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:43:20" (1/1) ... [2020-10-12 16:43:20,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:43:20,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:43:21,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:43:21,465 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:43:21,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:43:21,735 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:43:21,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21 WrapperNode [2020-10-12 16:43:21,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:43:21,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:43:21,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:43:21,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:43:21,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... [2020-10-12 16:43:21,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... [2020-10-12 16:43:21,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... [2020-10-12 16:43:21,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... [2020-10-12 16:43:21,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... [2020-10-12 16:43:21,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... [2020-10-12 16:43:21,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... [2020-10-12 16:43:21,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:43:21,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:43:22,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:43:22,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:43:22,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-12 16:43:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:43:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:43:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:43:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:43:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:43:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:43:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:43:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:43:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:43:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:43:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:43:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:43:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:43:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:43:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:43:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:43:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:43:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:43:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:43:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:43:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:43:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:43:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:43:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:43:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:43:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:43:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:43:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:43:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:43:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:43:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-12 16:43:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-12 16:43:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:43:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:43:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:43:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:43:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:43:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-12 16:43:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-12 16:43:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-12 16:43:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-12 16:43:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:43:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:43:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:43:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:43:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:43:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:43:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:43:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:43:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:43:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:43:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:43:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:43:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:43:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:43:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:43:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:43:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:43:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:43:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:43:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:43:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:43:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:43:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:43:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:43:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:43:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:43:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:43:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:43:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:43:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:43:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:43:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:43:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:43:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:43:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:43:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:43:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:43:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:43:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:43:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:43:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:43:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:43:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:43:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:43:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:43:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:43:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:43:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:43:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:43:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:43:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:43:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:43:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:43:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-12 16:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-12 16:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-12 16:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:43:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:43:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:43:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:43:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:43:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:43:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-12 16:43:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:43:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:43:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:43:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:43:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:43:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:43:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:43:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:43:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-12 16:43:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-12 16:43:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:43:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:43:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:43:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:43:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:43:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:43:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:43:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:43:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:43:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:43:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:43:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:43:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:43:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:43:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:43:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:43:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:43:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:43:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:43:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:43:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:43:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:43:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:43:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:43:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:43:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:43:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:43:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:43:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:43:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:43:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:43:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:43:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:43:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:43:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:43:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:43:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:43:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:43:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:43:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:43:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:43:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:43:24,007 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:43:24,008 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:43:24,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:43:24 BoogieIcfgContainer [2020-10-12 16:43:24,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:43:24,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:43:24,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:43:24,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:43:24,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:43:20" (1/3) ... [2020-10-12 16:43:24,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f3cd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:43:24, skipping insertion in model container [2020-10-12 16:43:24,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:43:21" (2/3) ... [2020-10-12 16:43:24,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f3cd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:43:24, skipping insertion in model container [2020-10-12 16:43:24,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:43:24" (3/3) ... [2020-10-12 16:43:24,024 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product19.cil.c [2020-10-12 16:43:24,034 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:43:24,042 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:43:24,056 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:43:24,080 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:43:24,081 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:43:24,081 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:43:24,081 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:43:24,081 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:43:24,081 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:43:24,081 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:43:24,081 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:43:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states. [2020-10-12 16:43:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 16:43:24,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:43:24,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 16:43:24,152 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:43:24,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:43:24,158 INFO L82 PathProgramCache]: Analyzing trace with hash 707688551, now seen corresponding path program 1 times [2020-10-12 16:43:24,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:43:24,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643171532] [2020-10-12 16:43:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:43:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:24,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:24,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:25,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:29,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:29,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 16:43:29,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:43:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-12 16:43:29,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:43:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 16:43:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:43:29,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:43:30,762 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:43:30,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:43:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:30,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:30,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:30,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:30,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:30,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 16:43:30,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:30,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:43:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:43:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:30,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:30,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:30,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:43:30,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:43:30,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:30,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:30,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:43:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:30,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:30,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:30,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:43:30,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:43:30,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:30,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:43:30,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:43:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:30,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:30,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:30,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:30,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:30,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:43:30,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:43:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:30,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:30,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:30,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:43:30,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:43:30,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:30,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:43:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:30,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:30,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:30,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:30,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:43:30,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:30,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:31,119 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 16:43:31,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:43:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:31,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:31,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:31,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:31,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:31,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:33,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:36,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 16:43:36,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:43:36,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 16:43:36,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:43:36,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 16:43:36,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 16:43:36,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:36,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:43:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:36,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:36,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:43:36,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:43:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-10-12 16:43:36,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:43:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:43:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:43:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:36,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:36,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:43:36,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:43:36,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:43:36,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:43:36,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:36,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:43:36,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:36,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:43:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:36,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:36,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:37,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:37,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:43:37,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:43:37,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-12 16:43:37,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:43:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:43:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:43:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:43:37,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:43:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:37,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:37,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:37,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:43:37,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:37,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:43:37,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:43:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:43:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:43:37,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:43:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:37,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:37,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:37,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:42,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:42,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-12 16:43:42,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:43:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 16:43:42,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:43:42,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 16:43:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:43:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 16:43:42,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:42,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:42,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 16:43:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:43:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3248 [2020-10-12 16:43:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:43:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:43:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:43:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:43:45,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 16:43:45,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:43:45,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 16:43:45,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:43:45,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:43:45,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:43:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:43:45,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:43:45,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:43:45,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:43:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:43:45,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:43:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:45,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:43:45,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:43:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:43:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:43:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:43:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:43:45,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:43:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:43:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 16:43:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:43:45,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:43:45,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:43:45,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:43:45,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:43:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:45,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:43:45,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:43:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:45,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:45,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:45,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:43:45,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:45,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:43:45,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:43:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:43:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:43:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:43:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:46,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:46,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:43:46,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:43:46,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 16:43:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:46,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:43:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:43:46,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:43:46,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:43:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:43:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:43:46,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:43:46,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:43:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:43:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:43:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:43:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:43:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:43:46,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643171532] [2020-10-12 16:43:46,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:43:46,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 16:43:46,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694214721] [2020-10-12 16:43:46,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:43:46,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:43:46,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:43:46,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:43:46,299 INFO L87 Difference]: Start difference. First operand 770 states. Second operand 24 states. [2020-10-12 16:43:48,969 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:43:49,797 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:43:50,594 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:43:51,425 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:43:52,206 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:43:53,062 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:43:53,941 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:43:54,895 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:43:57,289 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:43:58,047 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:43:58,856 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:43:59,939 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:44:00,732 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:44:01,512 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:44:02,316 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:44:03,152 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:44:03,943 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:44:04,786 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:44:05,586 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:44:06,404 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:44:06,827 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:44:07,102 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:44:07,937 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 16:44:08,766 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:44:09,111 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:44:09,943 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:44:11,438 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:44:12,461 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-12 16:44:13,275 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:44:18,811 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 402 DAG size of output: 397 [2020-10-12 16:44:21,092 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:44:21,830 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:44:23,845 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:44:25,252 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:44:26,169 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:44:27,153 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-12 16:44:31,780 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:44:33,344 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 401 DAG size of output: 396 [2020-10-12 16:44:33,681 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:44:34,647 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:44:35,454 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:44:37,573 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 401 DAG size of output: 396 [2020-10-12 16:44:38,793 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 16:44:39,134 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 16:44:40,077 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:44:42,094 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:44:42,919 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-12 16:44:43,922 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2020-10-12 16:44:46,862 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:44:49,641 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 16:44:50,485 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 16:44:51,047 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 16:44:51,206 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:44:54,316 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 402 DAG size of output: 397 [2020-10-12 16:44:59,044 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:45:15,545 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:45:16,372 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:45:22,705 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 16:45:23,301 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 16:45:42,327 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-12 16:45:59,528 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 402 DAG size of output: 397 [2020-10-12 16:46:05,785 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:46:41,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:46:41,060 INFO L93 Difference]: Finished difference Result 7214 states and 14683 transitions. [2020-10-12 16:46:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2020-10-12 16:46:41,063 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 133 [2020-10-12 16:46:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:46:41,161 INFO L225 Difference]: With dead ends: 7214 [2020-10-12 16:46:41,161 INFO L226 Difference]: Without dead ends: 6429 [2020-10-12 16:46:41,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10432 ImplicationChecksByTransitivity, 44.3s TimeCoverageRelationStatistics Valid=3291, Invalid=23769, Unknown=0, NotChecked=0, Total=27060 [2020-10-12 16:46:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6429 states. [2020-10-12 16:46:42,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6429 to 3038. [2020-10-12 16:46:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3038 states. [2020-10-12 16:46:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 3038 states and 4921 transitions. [2020-10-12 16:46:42,388 INFO L78 Accepts]: Start accepts. Automaton has 3038 states and 4921 transitions. Word has length 133 [2020-10-12 16:46:42,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:46:42,389 INFO L479 AbstractCegarLoop]: Abstraction has 3038 states and 4921 transitions. [2020-10-12 16:46:42,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 16:46:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 4921 transitions. [2020-10-12 16:46:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 16:46:42,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:46:42,410 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-12 16:46:42,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:46:42,411 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:46:42,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:46:42,412 INFO L82 PathProgramCache]: Analyzing trace with hash 613007676, now seen corresponding path program 1 times [2020-10-12 16:46:42,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:46:42,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255468002] [2020-10-12 16:46:42,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:46:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:42,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:42,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:45,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:46,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:47,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:47,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 16:46:47,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:46:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 16:46:47,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 16:46:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:46:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 16:46:47,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:48,279 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:46:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:46:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:48,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:48,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:46:48,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 16:46:48,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:46:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:46:48,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:46:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:48,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:48,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:46:48,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:48,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:46:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:46:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:46:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:48,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:46:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:48,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:48,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:46:48,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:48,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:46:48,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:46:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:46:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:48,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:46:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:48,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:46:48,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:48,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:46:48,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:46:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:46:48,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:48,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:46:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:48,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:48,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:46:48,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:48,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:46:48,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:48,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:46:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:46:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:48,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:46:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:48,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:48,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:46:48,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:46:48,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:46:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:46:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:48,630 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 16:46:48,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:46:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:48,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:53,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:53,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 16:46:53,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:46:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 16:46:53,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:46:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-12 16:46:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 16:46:53,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:53,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:46:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:53,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:53,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:53,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:53,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:53,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:54,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:46:54,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:46:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-12 16:46:54,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:46:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:46:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:46:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:54,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:46:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:54,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:46:54,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:46:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:46:54,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:54,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:46:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:46:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:54,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:46:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:54,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:54,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:46:54,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:46:54,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 16:46:54,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:54,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:46:54,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:46:54,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:46:54,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:46:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:54,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:54,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:46:54,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:46:54,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:46:54,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:54,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:46:54,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:46:54,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:46:54,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:54,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:46:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:54,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:54,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:59,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 16:46:59,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:46:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:46:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:46:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:59,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:59,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:59,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:46:59,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-12 16:47:04,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:47:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 16:47:04,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:47:04,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 16:47:04,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 16:47:04,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:47:04,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 16:47:04,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 16:47:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:47:04,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:47:04,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:47:04,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:47:04,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:47:04,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:47:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:04,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:47:04,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:47:04,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:47:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:47:04,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:47:04,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-12 16:47:04,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:47:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 16:47:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:47:04,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:47:04,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:47:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:47:04,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:47:04,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:47:04,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:04,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:47:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:04,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:47:04,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:47:04,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:04,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:47:04,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:04,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:47:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:04,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:04,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:04,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:47:04,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:04,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:47:04,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:04,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:47:04,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:47:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:47:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:47:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:05,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:05,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:47:05,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:05,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:47:05,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 16:47:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:47:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:47:05,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:47:05,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:47:05,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:47:05,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:47:05,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:47:05,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:47:05,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:47:05,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:47:05,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:47:05,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:47:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 16:47:05,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255468002] [2020-10-12 16:47:05,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:47:05,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 16:47:05,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924146460] [2020-10-12 16:47:05,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 16:47:05,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:47:05,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 16:47:05,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:47:05,181 INFO L87 Difference]: Start difference. First operand 3038 states and 4921 transitions. Second operand 29 states. [2020-10-12 16:47:07,645 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 398