/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=NARROWEST --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_spec13_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:16:51,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:16:51,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:16:51,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:16:51,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:16:51,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:16:51,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:16:51,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:16:51,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:16:51,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:16:51,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:16:51,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:16:51,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:16:51,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:16:51,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:16:51,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:16:51,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:16:51,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:16:51,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:16:51,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:16:51,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:16:51,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:16:51,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:16:51,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:16:51,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:16:51,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:16:51,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:16:51,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:16:51,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:16:51,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:16:51,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:16:51,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:16:51,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:16:51,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:16:51,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:16:51,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:16:51,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:16:51,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:16:51,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:16:51,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:16:51,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:16:51,632 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 [2020-10-13 11:16:51,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:16:51,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:16:51,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:16:51,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:16:51,679 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:16:51,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:16:51,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:16:51,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:16:51,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:16:51,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:16:51,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:16:51,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:16:51,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:16:51,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:16:51,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:16:51,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:16:51,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:16:51,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:16:51,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:16:51,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:16:51,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:16:51,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:16:51,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:16:51,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:16:51,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:16:51,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:16:51,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:16:51,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:16:51,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:16:51,685 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:16:52,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:16:52,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:16:52,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:16:52,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:16:52,021 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:16:52,022 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_product29.cil.c [2020-10-13 11:16:52,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85e24cc72/69fa6643e5064e849cf50504454c20c7/FLAGf2d76d417 [2020-10-13 11:16:52,748 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:16:52,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_product29.cil.c [2020-10-13 11:16:52,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85e24cc72/69fa6643e5064e849cf50504454c20c7/FLAGf2d76d417 [2020-10-13 11:16:52,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85e24cc72/69fa6643e5064e849cf50504454c20c7 [2020-10-13 11:16:52,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:16:52,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:16:52,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:16:52,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:16:52,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:16:52,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:52" (1/1) ... [2020-10-13 11:16:52,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:52, skipping insertion in model container [2020-10-13 11:16:52,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:52" (1/1) ... [2020-10-13 11:16:52,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:16:52,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:16:53,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:16:53,690 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:16:53,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:16:53,899 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:16:53,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53 WrapperNode [2020-10-13 11:16:53,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:16:53,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:16:53,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:16:53,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:16:53,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (1/1) ... [2020-10-13 11:16:53,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (1/1) ... [2020-10-13 11:16:53,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (1/1) ... [2020-10-13 11:16:53,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (1/1) ... [2020-10-13 11:16:54,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (1/1) ... [2020-10-13 11:16:54,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (1/1) ... [2020-10-13 11:16:54,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (1/1) ... [2020-10-13 11:16:54,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:16:54,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:16:54,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:16:54,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:16:54,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (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 [2020-10-13 11:16:54,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:16:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:16:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:16:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:16:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:16:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:16:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:16:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:16:54,213 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:16:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:16:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:16:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:16:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:16:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:16:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:16:54,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:16:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:16:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:16:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:16:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:16:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:16:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:16:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:16:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:16:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:16:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:16:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:16:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:16:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:16:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:16:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:16:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:16:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:16:54,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:16:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:16:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:16:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:16:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:16:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:16:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-13 11:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-13 11:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:16:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:16:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:16:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:16:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:16:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:16:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:16:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:16:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:16:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:16:54,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:16:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:16:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:16:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:16:54,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:16:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:16:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:16:54,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:16:54,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:16:54,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:16:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:16:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:16:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-13 11:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-13 11:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:16:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:16:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:16:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:16:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:16:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:16:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:16:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:16:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:16:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:16:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:16:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:16:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:16:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:16:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:16:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:16:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:16:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:16:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:16:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:16:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:16:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:16:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:16:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:16:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:16:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:16:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:16:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:16:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:16:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:16:56,359 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:16:56,360 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:16:56,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:56 BoogieIcfgContainer [2020-10-13 11:16:56,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:16:56,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:16:56,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:16:56,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:16:56,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:52" (1/3) ... [2020-10-13 11:16:56,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149de8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:56, skipping insertion in model container [2020-10-13 11:16:56,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:53" (2/3) ... [2020-10-13 11:16:56,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149de8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:56, skipping insertion in model container [2020-10-13 11:16:56,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:56" (3/3) ... [2020-10-13 11:16:56,386 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product29.cil.c [2020-10-13 11:16:56,396 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:16:56,409 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:16:56,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:16:56,451 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:16:56,451 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:16:56,451 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:16:56,451 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:16:56,451 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:16:56,451 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:16:56,452 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:16:56,452 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:16:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states. [2020-10-13 11:16:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 11:16:56,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:56,532 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:16:56,532 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:56,539 INFO L82 PathProgramCache]: Analyzing trace with hash -332119901, now seen corresponding path program 1 times [2020-10-13 11:16:56,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:56,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413193640] [2020-10-13 11:16:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:57,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:57,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:57,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:58,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:02,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:02,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-13 11:17:02,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:17:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:17:02,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-13 11:17:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:17:03,292 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:17:03,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:03,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:03,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:03,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:03,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 11:17:03,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:03,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:03,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:17:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:03,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:03,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:03,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:03,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:03,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:03,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:17:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:03,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:03,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:03,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:03,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:17:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:03,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:03,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:03,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:03,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:03,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:03,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:17:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:03,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:03,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:03,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:03,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:03,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:03,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:03,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:17:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:04,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:04,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 715 [2020-10-13 11:17:04,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:04,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:04,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:04,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:04,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:04,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:04,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:04,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:04,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:04,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:17:04,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:04,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:04,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:04,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:04,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:04,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:04,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:04,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:04,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:04,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:17:04,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:04,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:04,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:04,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:04,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:04,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:04,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 11:17:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:04,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:04,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:04,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:04,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 639 [2020-10-13 11:17:04,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:04,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:04,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:04,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:04,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:04,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:04,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:04,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:04,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:04,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:04,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:17:04,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:04,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:04,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:04,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:05,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:05,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 11:17:05,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:05,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:05,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 11:17:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:17:05,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:05,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:05,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:05,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:05,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:17:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:17:05,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:17:05,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:17:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:05,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:05,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:05,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:05,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:05,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 11:17:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:17:05,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:17:05,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:05,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:05,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:17:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:17:05,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:05,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:17:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:05,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:05,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:17:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:05,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:17:05,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:17:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:05,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:17:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:05,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:05,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:05,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:05,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 11:17:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:05,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:05,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:05,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:05,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:05,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:05,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:05,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:17:05,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413193640] [2020-10-13 11:17:05,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:17:05,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 11:17:05,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126547485] [2020-10-13 11:17:05,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 11:17:05,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:17:05,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 11:17:05,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-13 11:17:05,345 INFO L87 Difference]: Start difference. First operand 804 states. Second operand 7 states. [2020-10-13 11:17:07,031 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:17:07,863 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:17:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:17:19,485 INFO L93 Difference]: Finished difference Result 1626 states and 2804 transitions. [2020-10-13 11:17:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 11:17:19,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2020-10-13 11:17:19,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:17:19,521 INFO L225 Difference]: With dead ends: 1626 [2020-10-13 11:17:19,521 INFO L226 Difference]: Without dead ends: 935 [2020-10-13 11:17:19,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:17:19,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-10-13 11:17:19,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 658. [2020-10-13 11:17:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-10-13 11:17:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1047 transitions. [2020-10-13 11:17:19,821 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1047 transitions. Word has length 152 [2020-10-13 11:17:19,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:17:19,822 INFO L479 AbstractCegarLoop]: Abstraction has 658 states and 1047 transitions. [2020-10-13 11:17:19,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 11:17:19,822 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1047 transitions. [2020-10-13 11:17:19,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 11:17:19,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:17:19,832 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:17:19,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:17:19,833 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:17:19,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:17:19,833 INFO L82 PathProgramCache]: Analyzing trace with hash 474844739, now seen corresponding path program 1 times [2020-10-13 11:17:19,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:17:19,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094021278] [2020-10-13 11:17:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:17:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:19,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:20,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:20,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:20,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:24,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:24,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:24,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:24,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-13 11:17:24,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:17:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:17:24,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 11:17:24,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:17:24,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:25,715 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:17:25,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:25,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:25,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:25,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:25,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 11:17:25,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:25,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:25,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:25,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:17:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:25,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:25,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:25,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:25,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:17:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:25,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:25,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:25,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:25,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:25,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:25,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:25,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:25,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:25,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:17:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:25,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:25,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:25,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:25,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:25,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:25,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:25,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:25,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:25,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:17:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:25,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:25,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:25,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:25,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:17:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:25,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:25,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:26,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-13 11:17:26,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:26,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:26,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:26,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:26,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:26,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:26,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:26,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:26,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:26,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:26,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:26,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:17:26,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:26,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:26,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:26,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:26,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:26,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:26,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:26,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:26,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 11:17:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:26,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:26,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:27,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:17:27,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-13 11:17:27,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:17:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:17:27,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:27,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:27,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:17:27,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:17:27,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:27,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:27,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 11:17:27,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:17:27,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:27,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:27,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:27,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 11:17:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:17:27,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:27,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:17:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:27,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:27,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:27,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:17:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:17:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:27,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:27,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:27,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:27,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:27,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:27,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 11:17:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:17:27,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:17:27,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:17:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:27,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:27,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:27,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 11:17:27,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:17:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:17:27,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:27,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:17:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:27,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:27,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:17:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:27,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:27,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:17:27,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:27,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:17:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:27,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 11:17:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:27,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:27,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:27,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:27,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:27,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:27,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:27,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:27,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:27,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:27,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:17:27,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094021278] [2020-10-13 11:17:27,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:17:27,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:17:27,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061626967] [2020-10-13 11:17:27,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:17:27,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:17:27,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:17:27,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:17:27,399 INFO L87 Difference]: Start difference. First operand 658 states and 1047 transitions. Second operand 9 states. [2020-10-13 11:17:28,697 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:17:29,487 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:17:30,962 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:17:32,128 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:17:40,100 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:17:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:17:46,477 INFO L93 Difference]: Finished difference Result 1576 states and 2653 transitions. [2020-10-13 11:17:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:17:46,478 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-10-13 11:17:46,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:17:46,487 INFO L225 Difference]: With dead ends: 1576 [2020-10-13 11:17:46,488 INFO L226 Difference]: Without dead ends: 944 [2020-10-13 11:17:46,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:17:46,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-13 11:17:46,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 667. [2020-10-13 11:17:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-13 11:17:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 1061 transitions. [2020-10-13 11:17:46,677 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 1061 transitions. Word has length 152 [2020-10-13 11:17:46,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:17:46,680 INFO L479 AbstractCegarLoop]: Abstraction has 667 states and 1061 transitions. [2020-10-13 11:17:46,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:17:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1061 transitions. [2020-10-13 11:17:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 11:17:46,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:17:46,688 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:17:46,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:17:46,689 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:17:46,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:17:46,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1998614119, now seen corresponding path program 1 times [2020-10-13 11:17:46,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:17:46,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748585490] [2020-10-13 11:17:46,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:17:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:46,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:47,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:47,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:47,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:47,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:51,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:51,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-13 11:17:51,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:17:51,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-13 11:17:51,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 11:17:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:17:51,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:52,980 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:17:52,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:53,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:53,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 11:17:53,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:53,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:17:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:53,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:53,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:53,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:17:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:53,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:53,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:53,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:17:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:53,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:17:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:53,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:53,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:53,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:53,266 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:17:53,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:17:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:17:53,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:17:53,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-13 11:17:53,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:53,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:17:53,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:53,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:53,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:53,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:17:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:53,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:53,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:17:53,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:53,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:53,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:53,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:53,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:53,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:53,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:53,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 11:17:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:53,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:53,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:17:54,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:17:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-13 11:17:54,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:17:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:17:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:17:54,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:54,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:17:54,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:17:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:54,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:17:54,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:54,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:17:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:17:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:54,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:17:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:17:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 11:17:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:17:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:54,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:17:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:54,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:54,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:54,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:17:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:17:54,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:17:54,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:17:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:17:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:54,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:17:54,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:54,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:54,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:17:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:17:54,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:17:54,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:17:54,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:54,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:54,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:17:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:17:54,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:54,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:17:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:54,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:54,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:17:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:54,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:54,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:17:54,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:17:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:54,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:54,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:17:54,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 11:17:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:54,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:54,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:54,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:54,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:54,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:54,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:54,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:54,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 11:17:54,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748585490] [2020-10-13 11:17:54,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:17:54,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:17:54,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427569000] [2020-10-13 11:17:54,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:17:54,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:17:54,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:17:54,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:17:54,598 INFO L87 Difference]: Start difference. First operand 667 states and 1061 transitions. Second operand 9 states. [2020-10-13 11:17:56,011 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:17:57,604 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:17:58,812 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:18:07,498 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:18:08,334 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:18:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:18:15,478 INFO L93 Difference]: Finished difference Result 1627 states and 2746 transitions. [2020-10-13 11:18:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:18:15,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2020-10-13 11:18:15,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:18:15,489 INFO L225 Difference]: With dead ends: 1627 [2020-10-13 11:18:15,489 INFO L226 Difference]: Without dead ends: 988 [2020-10-13 11:18:15,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:18:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2020-10-13 11:18:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 706. [2020-10-13 11:18:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-10-13 11:18:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1135 transitions. [2020-10-13 11:18:15,652 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1135 transitions. Word has length 154 [2020-10-13 11:18:15,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:18:15,652 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 1135 transitions. [2020-10-13 11:18:15,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:18:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1135 transitions. [2020-10-13 11:18:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 11:18:15,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:18:15,658 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:18:15,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:18:15,659 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:18:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:18:15,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2078628881, now seen corresponding path program 1 times [2020-10-13 11:18:15,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:18:15,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693476173] [2020-10-13 11:18:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:18:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:17,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:20,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:20,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 11:18:20,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:18:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:18:20,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-13 11:18:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,562 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:18:21,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:21,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:18:21,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:18:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:21,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:21,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:21,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:21,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:18:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:21,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:21,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:18:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:21,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:21,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:18:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:21,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:18:21,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 11:18:21,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:21,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:21,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:18:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:21,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:21,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:21,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:21,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:18:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:21,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:22,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:18:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-13 11:18:22,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:18:22,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:22,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:22,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:18:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:18:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:22,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:22,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:22,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 11:18:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:18:22,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:22,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:18:22,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:22,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:22,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:18:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:18:22,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:18:22,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:18:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:18:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:22,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:22,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:18:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:22,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:22,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:18:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:18:22,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:18:22,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:18:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:22,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:22,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:22,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:22,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:18:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:22,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:22,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:18:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:22,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:22,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:18:22,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:18:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:22,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:18:22,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 11:18:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:22,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:22,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:22,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:22,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:22,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:22,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:22,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:22,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:18:22,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693476173] [2020-10-13 11:18:22,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:18:22,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:18:22,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277527737] [2020-10-13 11:18:22,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:18:22,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:18:22,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:18:22,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:18:22,440 INFO L87 Difference]: Start difference. First operand 706 states and 1135 transitions. Second operand 9 states. [2020-10-13 11:18:23,566 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:18:24,359 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:18:26,029 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:18:26,571 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:18:27,622 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:18:41,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:18:41,371 INFO L93 Difference]: Finished difference Result 1675 states and 2835 transitions. [2020-10-13 11:18:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:18:41,372 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2020-10-13 11:18:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:18:41,382 INFO L225 Difference]: With dead ends: 1675 [2020-10-13 11:18:41,383 INFO L226 Difference]: Without dead ends: 993 [2020-10-13 11:18:41,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:18:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-10-13 11:18:41,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 711. [2020-10-13 11:18:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2020-10-13 11:18:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1138 transitions. [2020-10-13 11:18:41,569 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1138 transitions. Word has length 156 [2020-10-13 11:18:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:18:41,570 INFO L479 AbstractCegarLoop]: Abstraction has 711 states and 1138 transitions. [2020-10-13 11:18:41,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:18:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1138 transitions. [2020-10-13 11:18:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 11:18:41,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:18:41,575 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:18:41,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:18:41,576 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:18:41,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:18:41,576 INFO L82 PathProgramCache]: Analyzing trace with hash -570045566, now seen corresponding path program 1 times [2020-10-13 11:18:41,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:18:41,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776153266] [2020-10-13 11:18:41,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:18:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:41,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:41,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:41,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:41,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:43,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:46,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:46,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 11:18:46,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:18:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:18:46,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 11:18:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:46,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,421 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:18:47,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:18:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:18:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:47,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:47,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:18:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:18:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:47,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:18:47,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-13 11:18:47,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:47,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:47,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:47,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:18:47,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:47,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:47,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:18:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:47,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:47,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:47,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:47,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:18:47,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:18:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:18:47,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:47,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:47,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:47,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:47,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:47,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:47,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:18:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:47,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 11:18:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:48,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:48,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:48,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 11:18:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:18:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:48,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:48,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:18:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:48,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:48,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:48,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:18:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:18:48,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:18:48,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:18:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:48,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:48,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:48,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:48,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:48,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:18:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:48,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:48,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:48,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:18:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:48,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:48,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:18:48,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:48,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:18:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:48,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:48,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 11:18:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:48,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:48,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:48,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 11:18:48,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776153266] [2020-10-13 11:18:48,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:18:48,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:18:48,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211486906] [2020-10-13 11:18:48,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:18:48,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:18:48,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:18:48,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:18:48,114 INFO L87 Difference]: Start difference. First operand 711 states and 1138 transitions. Second operand 9 states. [2020-10-13 11:18:49,336 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:18:50,126 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:18:51,450 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:18:52,261 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:18:53,351 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:18:55,211 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:19:06,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:19:06,287 INFO L93 Difference]: Finished difference Result 1702 states and 2875 transitions. [2020-10-13 11:19:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:19:06,288 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-10-13 11:19:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:19:06,297 INFO L225 Difference]: With dead ends: 1702 [2020-10-13 11:19:06,297 INFO L226 Difference]: Without dead ends: 1017 [2020-10-13 11:19:06,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:19:06,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-10-13 11:19:06,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 730. [2020-10-13 11:19:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-10-13 11:19:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1157 transitions. [2020-10-13 11:19:06,515 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1157 transitions. Word has length 157 [2020-10-13 11:19:06,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:19:06,516 INFO L479 AbstractCegarLoop]: Abstraction has 730 states and 1157 transitions. [2020-10-13 11:19:06,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:19:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1157 transitions. [2020-10-13 11:19:06,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-13 11:19:06,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:19:06,521 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:19:06,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:19:06,522 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:19:06,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:19:06,522 INFO L82 PathProgramCache]: Analyzing trace with hash -2089357337, now seen corresponding path program 1 times [2020-10-13 11:19:06,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:19:06,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747492870] [2020-10-13 11:19:06,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:19:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:10,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:10,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:11,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:11,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:11,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:11,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-13 11:19:11,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:19:11,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 11:19:11,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:11,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:19:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 11:19:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:19:11,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,458 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:19:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:12,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:19:12,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:19:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:12,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:12,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:19:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:12,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:19:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:12,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:12,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:19:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:19:12,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-13 11:19:12,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:12,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:12,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:19:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:19:12,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:19:12,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:19:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:12,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:12,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:12,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:12,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:19:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:12,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:19:13,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:13,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-13 11:19:13,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:13,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:13,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:19:13,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:19:13,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:19:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:13,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:13,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:19:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:19:13,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:13,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:19:13,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 11:19:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:19:13,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:19:13,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:19:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:13,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:13,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:19:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:13,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:13,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:19:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:19:13,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:19:13,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:19:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 11:19:13,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:13,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:13,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:19:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:13,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:19:13,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:19:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:13,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:19:13,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:13,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:19:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 11:19:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:13,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:13,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 11:19:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:13,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:13,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-13 11:19:13,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747492870] [2020-10-13 11:19:13,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:19:13,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:19:13,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937242228] [2020-10-13 11:19:13,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:19:13,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:19:13,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:19:13,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:19:13,397 INFO L87 Difference]: Start difference. First operand 730 states and 1157 transitions. Second operand 12 states. [2020-10-13 11:19:15,442 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:19:17,486 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:19:17,640 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:19:18,763 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:19:19,758 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:19:20,240 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-13 11:19:20,542 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 11:19:26,563 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:19:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:19:36,318 INFO L93 Difference]: Finished difference Result 1646 states and 2785 transitions. [2020-10-13 11:19:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:19:36,319 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 158 [2020-10-13 11:19:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:19:36,327 INFO L225 Difference]: With dead ends: 1646 [2020-10-13 11:19:36,327 INFO L226 Difference]: Without dead ends: 1027 [2020-10-13 11:19:36,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:19:36,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-10-13 11:19:36,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 737. [2020-10-13 11:19:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-10-13 11:19:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1167 transitions. [2020-10-13 11:19:36,496 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1167 transitions. Word has length 158 [2020-10-13 11:19:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:19:36,497 INFO L479 AbstractCegarLoop]: Abstraction has 737 states and 1167 transitions. [2020-10-13 11:19:36,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:19:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1167 transitions. [2020-10-13 11:19:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 11:19:36,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:19:36,502 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:19:36,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:19:36,503 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:19:36,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:19:36,503 INFO L82 PathProgramCache]: Analyzing trace with hash 457220837, now seen corresponding path program 1 times [2020-10-13 11:19:36,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:19:36,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054087600] [2020-10-13 11:19:36,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:19:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:36,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:36,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:37,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:37,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:38,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:38,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:39,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:40,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 11:19:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:19:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:19:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:19:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 11:19:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:19:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,416 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:19:42,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:42,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 11:19:42,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:19:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:42,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:19:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:42,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:19:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:19:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:19:42,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:42,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 11:19:42,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:42,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:19:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:19:42,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:42,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:19:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:42,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:42,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:19:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:19:42,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:42,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-13 11:19:42,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:42,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:19:42,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:19:42,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:19:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:19:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:19:42,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:42,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:42,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 11:19:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:19:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:42,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:19:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:19:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 11:19:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:19:42,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:19:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 11:19:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:43,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:43,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:43,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:43,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:43,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:43,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:43,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:43,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:43,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:43,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:43,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:19:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:43,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:43,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:43,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:43,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:43,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:19:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:43,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:19:43,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:43,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:43,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 11:19:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:43,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:43,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:43,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 11:19:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:43,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-13 11:19:43,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054087600] [2020-10-13 11:19:43,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:19:43,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:19:43,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751887640] [2020-10-13 11:19:43,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:19:43,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:19:43,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:19:43,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:19:43,134 INFO L87 Difference]: Start difference. First operand 737 states and 1167 transitions. Second operand 12 states. [2020-10-13 11:19:45,096 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:19:47,187 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:19:47,343 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:19:48,437 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:19:49,486 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:19:49,993 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-13 11:19:50,308 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 11:19:51,168 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:19:56,327 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:20:04,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:20:04,570 INFO L93 Difference]: Finished difference Result 1658 states and 2801 transitions. [2020-10-13 11:20:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:20:04,578 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2020-10-13 11:20:04,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:20:04,584 INFO L225 Difference]: With dead ends: 1658 [2020-10-13 11:20:04,584 INFO L226 Difference]: Without dead ends: 1032 [2020-10-13 11:20:04,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:20:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-10-13 11:20:04,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 738. [2020-10-13 11:20:04,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2020-10-13 11:20:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1168 transitions. [2020-10-13 11:20:04,752 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1168 transitions. Word has length 159 [2020-10-13 11:20:04,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:20:04,752 INFO L479 AbstractCegarLoop]: Abstraction has 738 states and 1168 transitions. [2020-10-13 11:20:04,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:20:04,752 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1168 transitions. [2020-10-13 11:20:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 11:20:04,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:20:04,756 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:20:04,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:20:04,757 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:20:04,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:20:04,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1847931269, now seen corresponding path program 1 times [2020-10-13 11:20:04,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:20:04,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129574342] [2020-10-13 11:20:04,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:20:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:04,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:04,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:05,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:05,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:05,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:07,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:08,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:08,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:09,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:20:09,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:10,654 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:20:10,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:20:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:10,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:10,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:20:10,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:10,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:20:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:10,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:20:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:10,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:10,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:10,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:10,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:20:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:10,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:10,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:10,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:20:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:10,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:20:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:20:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:20:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-13 11:20:10,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:20:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:20:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:20:10,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:10,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:10,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:20:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:10,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:10,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:20:10,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:20:10,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:20:11,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:20:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:20:11,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:11,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:20:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:20:11,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:20:11,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-13 11:20:11,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:20:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:11,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:11,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:20:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:20:11,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:20:11,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:20:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:20:11,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:11,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:20:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:20:11,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:11,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:20:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:11,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:11,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 11:20:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:20:11,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:20:11,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:20:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:11,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:11,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:20:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:20:11,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:11,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:20:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 11:20:11,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:20:11,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:20:11,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:20:11,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:20:11,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:20:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:20:11,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:11,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:20:11,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:11,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:20:11,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:20:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:20:11,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:11,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:20:11,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:20:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:11,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:11,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:20:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:20:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 11:20:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:11,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:20:11,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:20:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 11:20:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:11,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:11,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:11,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:11,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:11,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:11,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:11,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:20:11,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:11,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-13 11:20:11,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129574342] [2020-10-13 11:20:11,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:20:11,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:20:11,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257436644] [2020-10-13 11:20:11,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:20:11,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:20:11,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:20:11,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:20:11,499 INFO L87 Difference]: Start difference. First operand 738 states and 1168 transitions. Second operand 10 states. [2020-10-13 11:20:13,268 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:20:14,625 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:20:15,513 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:20:16,359 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-13 11:20:16,835 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:20:32,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:20:32,332 INFO L93 Difference]: Finished difference Result 1664 states and 2795 transitions. [2020-10-13 11:20:32,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:20:32,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-10-13 11:20:32,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:20:32,342 INFO L225 Difference]: With dead ends: 1664 [2020-10-13 11:20:32,342 INFO L226 Difference]: Without dead ends: 1037 [2020-10-13 11:20:32,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:20:32,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2020-10-13 11:20:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 743. [2020-10-13 11:20:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-10-13 11:20:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1174 transitions. [2020-10-13 11:20:32,575 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1174 transitions. Word has length 159 [2020-10-13 11:20:32,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:20:32,577 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 1174 transitions. [2020-10-13 11:20:32,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:20:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1174 transitions. [2020-10-13 11:20:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 11:20:32,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:20:32,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:20:32,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:20:32,582 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:20:32,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:20:32,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1662292175, now seen corresponding path program 1 times [2020-10-13 11:20:32,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:20:32,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123709443] [2020-10-13 11:20:32,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:20:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:32,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:32,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:32,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:32,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:33,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:33,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking...