/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:15:23,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:15:23,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:15:24,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:15:24,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:15:24,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:15:24,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:15:24,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:15:24,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:15:24,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:15:24,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:15:24,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:15:24,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:15:24,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:15:24,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:15:24,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:15:24,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:15:24,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:15:24,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:15:24,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:15:24,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:15:24,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:15:24,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:15:24,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:15:24,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:15:24,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:15:24,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:15:24,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:15:24,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:15:24,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:15:24,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:15:24,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:15:24,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:15:24,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:15:24,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:15:24,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:15:24,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:15:24,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:15:24,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:15:24,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:15:24,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:15:24,124 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 [2020-10-27 02:15:24,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:15:24,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:15:24,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:15:24,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:15:24,182 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:15:24,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:15:24,183 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:15:24,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:15:24,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:15:24,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:15:24,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:15:24,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:15:24,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:15:24,185 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:15:24,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:15:24,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:15:24,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:15:24,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:15:24,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:15:24,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:15:24,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:15:24,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:15:24,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:15:24,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:15:24,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:15:24,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:15:24,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:15:24,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:15:24,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:15:24,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:15:24,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:15:24,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:15:24,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:15:24,655 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:15:24,656 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:15:24,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product32.cil.c [2020-10-27 02:15:24,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18f55a003/2ca308d8dc1b468c9eae13d766578f38/FLAG59f816add [2020-10-27 02:15:25,611 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:15:25,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product32.cil.c [2020-10-27 02:15:25,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18f55a003/2ca308d8dc1b468c9eae13d766578f38/FLAG59f816add [2020-10-27 02:15:25,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18f55a003/2ca308d8dc1b468c9eae13d766578f38 [2020-10-27 02:15:25,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:15:25,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:15:25,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:15:25,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:15:25,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:15:25,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:15:25" (1/1) ... [2020-10-27 02:15:25,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6978cbf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:25, skipping insertion in model container [2020-10-27 02:15:25,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:15:25" (1/1) ... [2020-10-27 02:15:25,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:15:25,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:15:26,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:15:26,584 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:15:26,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:15:26,785 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:15:26,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26 WrapperNode [2020-10-27 02:15:26,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:15:26,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:15:26,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:15:26,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:15:26,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (1/1) ... [2020-10-27 02:15:26,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (1/1) ... [2020-10-27 02:15:26,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (1/1) ... [2020-10-27 02:15:26,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (1/1) ... [2020-10-27 02:15:26,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (1/1) ... [2020-10-27 02:15:26,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (1/1) ... [2020-10-27 02:15:26,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (1/1) ... [2020-10-27 02:15:26,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:15:26,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:15:26,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:15:26,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:15:26,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (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 [2020-10-27 02:15:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:15:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:15:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:15:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:15:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:15:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:15:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:15:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:15:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:15:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:15:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:15:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:15:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:15:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:15:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:15:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:15:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:15:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:15:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:15:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:15:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:15:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:15:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:15:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:15:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:15:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:15:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:15:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:15:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:15:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:15:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:15:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:15:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:15:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:15:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:15:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:15:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:15:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:15:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:15:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:15:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:15:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:15:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:15:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:15:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:15:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:15:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:15:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:15:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:15:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:15:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:15:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:15:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:15:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:15:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:15:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:15:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:15:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:15:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:15:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:15:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:15:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:15:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:15:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:15:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:15:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:15:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:15:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:15:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:15:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:15:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:15:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:15:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:15:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:15:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:15:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:15:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:15:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:15:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:15:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:15:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:15:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:15:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:15:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:15:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:15:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:15:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:15:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:15:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:15:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:15:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:15:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:15:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:15:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:15:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:15:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:15:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:15:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:15:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:15:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:15:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:15:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:15:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:15:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:15:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:15:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:15:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:15:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:15:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:15:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:15:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:15:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:15:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:15:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:15:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:15:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:15:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:15:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:15:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:15:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:15:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:15:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:15:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:15:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:15:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:15:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:15:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:15:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:15:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:15:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:15:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:15:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:15:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:15:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:15:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:15:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:15:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:15:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:15:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:15:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:15:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:15:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:15:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:15:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:15:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:15:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:15:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:15:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:15:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:15:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:15:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:15:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:15:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:15:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:15:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:15:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:15:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:15:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:15:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:15:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:15:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:15:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:15:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:15:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:15:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:15:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:15:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:15:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:15:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:15:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:15:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:15:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:15:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:15:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:15:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:15:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:15:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:15:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:15:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:15:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:15:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:15:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:15:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:15:30,619 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:15:30,619 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:15:30,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:15:30 BoogieIcfgContainer [2020-10-27 02:15:30,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:15:30,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:15:30,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:15:30,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:15:30,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:15:25" (1/3) ... [2020-10-27 02:15:30,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5e376a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:15:30, skipping insertion in model container [2020-10-27 02:15:30,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:26" (2/3) ... [2020-10-27 02:15:30,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5e376a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:15:30, skipping insertion in model container [2020-10-27 02:15:30,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:15:30" (3/3) ... [2020-10-27 02:15:30,635 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product32.cil.c [2020-10-27 02:15:30,648 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:15:30,654 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:15:30,669 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:15:30,713 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:15:30,713 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:15:30,713 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:15:30,713 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:15:30,713 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:15:30,713 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:15:30,713 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:15:30,713 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:15:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states. [2020-10-27 02:15:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 02:15:30,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:15:30,796 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:15:30,796 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:15:30,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:15:30,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1156885063, now seen corresponding path program 1 times [2020-10-27 02:15:30,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:15:30,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444865366] [2020-10-27 02:15:30,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:15:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:31,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:31,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:32,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:33,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:36,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:36,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 02:15:36,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:15:36,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-27 02:15:36,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:15:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:15:36,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:15:38,452 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:38,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:38,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:38,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:38,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 02:15:38,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:38,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:38,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:38,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:38,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:38,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:38,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:38,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:38,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:15:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:38,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:38,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:38,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:38,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:38,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:15:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:38,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:38,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:38,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:38,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:38,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:15:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:38,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:38,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:38,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:38,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:38,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:15:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:38,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:38,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:38,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:15:38,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,005 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:15:39,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:15:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:42,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:42,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:42,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:44,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:44,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 02:15:44,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:15:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:15:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:15:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:15:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:44,293 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:15:44,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:44,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:44,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:44,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:44,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:44,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:45,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:15:45,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:15:45,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1047 [2020-10-27 02:15:45,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:15:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:45,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:45,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:45,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:45,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:45,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:45,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:15:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:45,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:45,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:15:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 02:15:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:15:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:45,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:15:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:45,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:45,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:45,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:15:45,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:45,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:45,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:45,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:45,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:45,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:45,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:45,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:45,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:45,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:45,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:45,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:15:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:45,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:15:46,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:15:46,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1047 [2020-10-27 02:15:46,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:15:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:46,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:46,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:46,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:15:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:15:46,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 02:15:46,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:46,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:15:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:15:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:46,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:15:46,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:15:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:15:46,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 02:15:46,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 02:15:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:15:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:15:46,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:46,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:46,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:15:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:15:46,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:46,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:46,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:46,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 02:15:47,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444865366] [2020-10-27 02:15:47,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:15:47,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:15:47,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147895511] [2020-10-27 02:15:47,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:15:47,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:15:47,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:15:47,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:15:47,235 INFO L87 Difference]: Start difference. First operand 838 states. Second operand 13 states. [2020-10-27 02:15:50,452 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:51,693 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:53,194 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:14,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:16:14,105 INFO L93 Difference]: Finished difference Result 1623 states and 2693 transitions. [2020-10-27 02:16:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:16:14,113 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 02:16:14,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:16:14,150 INFO L225 Difference]: With dead ends: 1623 [2020-10-27 02:16:14,150 INFO L226 Difference]: Without dead ends: 944 [2020-10-27 02:16:14,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:16:14,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-27 02:16:14,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 674. [2020-10-27 02:16:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-10-27 02:16:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1057 transitions. [2020-10-27 02:16:14,529 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1057 transitions. Word has length 117 [2020-10-27 02:16:14,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:16:14,530 INFO L481 AbstractCegarLoop]: Abstraction has 674 states and 1057 transitions. [2020-10-27 02:16:14,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:16:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1057 transitions. [2020-10-27 02:16:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 02:16:14,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:16:14,537 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] [2020-10-27 02:16:14,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:16:14,538 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:16:14,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:16:14,539 INFO L82 PathProgramCache]: Analyzing trace with hash -459573514, now seen corresponding path program 1 times [2020-10-27 02:16:14,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:16:14,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534898919] [2020-10-27 02:16:14,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:16:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:14,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:14,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:14,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:15,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:15,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:19,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:19,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 02:16:19,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:16:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-27 02:16:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:16:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:20,948 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:16:20,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:16:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:20,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:21,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:21,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:21,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 02:16:21,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:21,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:21,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:16:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:21,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:21,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:16:21,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:21,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:21,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:21,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:16:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:21,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:16:21,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:21,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:21,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:16:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:21,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:21,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:21,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:21,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:21,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:21,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:21,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:16:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:21,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:21,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:16:21,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:21,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:21,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:21,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:21,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:16:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:21,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:21,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:21,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:21,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:21,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:21,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:21,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:21,330 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:16:21,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:16:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:21,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:23,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:23,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:23,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:26,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 02:16:26,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:16:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 02:16:26,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:16:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:26,561 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:16:26,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:16:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:26,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:26,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:26,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:27,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:16:27,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:16:27,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-27 02:16:27,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:16:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:27,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:27,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:27,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:16:27,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:27,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:27,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:16:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:27,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:16:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:27,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:27,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:16:27,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:16:27,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:16:27,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:16:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:16:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:27,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:16:27,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:16:27,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:16:27,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:27,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:27,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:27,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:27,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:27,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:27,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:27,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:27,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:16:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:27,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:16:28,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:16:28,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-27 02:16:28,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:16:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:16:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:28,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:16:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:16:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:16:28,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:16:28,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:16:28,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:16:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:16:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:16:28,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:16:28,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:16:28,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:28,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:16:28,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:28,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:28,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:28,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:16:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:16:28,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:16:28,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:16:28,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:16:28,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:16:28,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:28,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:28,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:16:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:16:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:16:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:28,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:28,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 02:16:28,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534898919] [2020-10-27 02:16:28,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:16:28,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:16:28,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152616899] [2020-10-27 02:16:28,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:16:28,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:16:28,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:16:28,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:16:28,669 INFO L87 Difference]: Start difference. First operand 674 states and 1057 transitions. Second operand 13 states. [2020-10-27 02:16:30,930 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:32,292 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:16:33,780 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:56,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:16:56,810 INFO L93 Difference]: Finished difference Result 1597 states and 2627 transitions. [2020-10-27 02:16:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:16:56,811 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 02:16:56,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:16:56,827 INFO L225 Difference]: With dead ends: 1597 [2020-10-27 02:16:56,827 INFO L226 Difference]: Without dead ends: 944 [2020-10-27 02:16:56,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:16:56,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-27 02:16:57,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 674. [2020-10-27 02:16:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-10-27 02:16:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1051 transitions. [2020-10-27 02:16:57,089 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1051 transitions. Word has length 123 [2020-10-27 02:16:57,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:16:57,090 INFO L481 AbstractCegarLoop]: Abstraction has 674 states and 1051 transitions. [2020-10-27 02:16:57,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:16:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1051 transitions. [2020-10-27 02:16:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:16:57,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:16:57,093 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] [2020-10-27 02:16:57,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:16:57,093 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:16:57,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:16:57,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1161365480, now seen corresponding path program 1 times [2020-10-27 02:16:57,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:16:57,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875217689] [2020-10-27 02:16:57,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:16:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:57,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:57,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:57,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:57,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:57,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:58,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:02,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:02,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 02:17:02,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:17:02,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:17:02,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:17:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:02,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:03,489 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:17:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:03,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:03,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:03,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:03,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 02:17:03,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:03,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:17:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:03,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:03,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:03,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:03,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:03,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:03,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:03,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:03,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:03,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:03,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:03,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:03,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:17:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:03,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:03,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:03,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:03,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:03,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:03,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:17:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:03,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:03,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:03,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:03,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:03,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:03,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:03,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:03,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:03,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:03,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:03,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:17:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:03,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:03,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:03,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:03,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:03,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:03,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:03,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:03,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:03,908 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:17:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:17:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:03,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:03,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:04,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:04,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:04,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:04,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:06,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:08,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:17:08,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:17:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:17:08,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:17:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:09,213 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:17:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:09,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:09,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:09,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:09,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:17:10,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:17:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 839 [2020-10-27 02:17:10,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:17:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:10,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:17:10,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:10,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:10,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:10,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:17:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:17:10,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:10,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:17:10,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:10,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:17:10,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:10,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:17:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:10,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:10,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:17:10,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:17:10,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:10,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:10,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:10,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:10,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:10,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:10,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:17:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:17:10,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:17:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-27 02:17:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:17:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:17:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:17:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:17:10,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:10,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:10,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:10,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:10,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:10,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:17:10,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:17:10,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-27 02:17:10,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:17:10,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:10,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:17:10,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:17:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:10,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:10,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:10,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:10,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:17:10,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:10,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:17:10,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:10,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:17:10,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:11,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:11,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:11,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:11,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:17:11,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:17:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:11,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:11,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:17:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:11,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:11,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:17:11,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:11,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:17:11,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:17:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:11,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:11,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:11,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:11,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:17:11,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:11,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:17:11,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:11,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:11,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:11,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:11,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:11,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:11,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:11,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:11,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:11,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:17:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:17:11,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:11,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:11,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:11,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:11,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:11,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:11,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 02:17:11,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875217689] [2020-10-27 02:17:11,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:17:11,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 02:17:11,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994873671] [2020-10-27 02:17:11,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:17:11,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:17:11,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:17:11,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:17:11,490 INFO L87 Difference]: Start difference. First operand 674 states and 1051 transitions. Second operand 20 states. [2020-10-27 02:17:15,230 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:16,690 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:17:18,331 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:17:19,721 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:17:21,604 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:23,258 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:25,922 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:27,256 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:17:29,175 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:30,477 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:31,724 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:33,063 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 02:17:34,457 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:17:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:17:59,695 INFO L93 Difference]: Finished difference Result 1669 states and 2739 transitions. [2020-10-27 02:17:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 02:17:59,696 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 127 [2020-10-27 02:17:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:17:59,709 INFO L225 Difference]: With dead ends: 1669 [2020-10-27 02:17:59,710 INFO L226 Difference]: Without dead ends: 1009 [2020-10-27 02:17:59,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=341, Invalid=2109, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 02:17:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-10-27 02:17:59,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 722. [2020-10-27 02:17:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-10-27 02:17:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1122 transitions. [2020-10-27 02:17:59,955 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1122 transitions. Word has length 127 [2020-10-27 02:17:59,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:17:59,956 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 1122 transitions. [2020-10-27 02:17:59,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 02:17:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1122 transitions. [2020-10-27 02:17:59,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 02:17:59,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:17:59,959 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 02:17:59,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:17:59,959 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:17:59,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:17:59,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1487019366, now seen corresponding path program 1 times [2020-10-27 02:17:59,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:17:59,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56601899] [2020-10-27 02:17:59,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:18:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:00,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:00,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:00,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:00,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:00,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:01,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:05,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:05,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:06,277 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:18:06,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:18:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:06,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:06,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:06,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:06,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:18:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:06,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:06,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:18:06,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:06,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:06,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:06,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:06,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:18:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:06,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:06,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:06,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:06,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:06,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:18:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:06,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:06,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:18:06,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:06,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:06,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:06,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:18:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:06,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:06,671 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:18:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:18:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:06,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:06,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:07,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:08,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:11,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 02:18:11,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:18:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:18:11,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:18:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:11,872 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:18:11,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:18:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:11,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:11,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:11,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:11,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:11,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 02:18:12,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:18:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-27 02:18:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:18:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:12,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:12,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:18:12,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:12,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:18:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:12,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:18:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:18:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:18:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:18:12,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:18:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:12,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:12,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:18:12,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:18:12,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:18:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:12,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:12,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:12,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:18:12,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:12,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:12,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 02:18:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:12,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:12,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:13,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 02:18:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:18:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 920 [2020-10-27 02:18:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:18:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:18:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:18:13,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:13,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:13,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:18:13,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:13,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:13,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:13,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:13,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:13,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:18:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:13,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:13,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:18:13,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:18:13,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-27 02:18:13,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:18:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:18:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:13,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:13,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:14,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:14,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:18:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:18:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 02:18:14,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:18:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:18:14,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:14,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:14,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:14,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:18:14,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:18:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:18:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:18:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 02:18:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:14,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:14,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:14,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:18:14,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:18:14,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:18:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:14,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:14,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:14,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:14,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:18:14,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:18:14,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:14,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:14,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:14,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:14,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:14,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:14,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:14,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:14,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:14,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:14,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:14,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:18:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:14,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:14,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:14,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:18:14,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:14,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:14,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:14,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:14,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:14,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:14,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:14,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:14,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:14,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 02:18:14,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56601899] [2020-10-27 02:18:14,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:18:14,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 02:18:14,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229363649] [2020-10-27 02:18:14,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:18:14,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:18:14,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:18:14,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:18:14,455 INFO L87 Difference]: Start difference. First operand 722 states and 1122 transitions. Second operand 20 states. [2020-10-27 02:18:17,440 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:18:18,770 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:18:20,084 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:18:21,525 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:18:22,870 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:18:24,638 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:18:26,008 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:18:27,392 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:18:28,782 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:18:30,138 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:18:31,443 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:18:34,560 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:18:35,815 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:18:37,066 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:18:38,360 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:18:39,712 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 428