/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_spec9_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:28:14,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:28:14,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:28:14,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:28:14,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:28:14,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:28:14,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:28:14,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:28:14,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:28:14,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:28:14,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:28:14,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:28:14,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:28:14,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:28:14,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:28:14,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:28:14,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:28:14,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:28:14,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:28:14,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:28:14,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:28:14,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:28:14,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:28:14,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:28:14,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:28:14,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:28:14,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:28:14,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:28:14,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:28:14,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:28:14,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:28:14,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:28:14,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:28:14,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:28:14,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:28:14,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:28:14,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:28:14,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:28:14,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:28:14,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:28:14,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:28:14,114 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 02:28:14,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:28:14,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:28:14,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:28:14,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:28:14,176 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:28:14,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:28:14,177 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:28:14,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:28:14,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:28:14,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:28:14,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:28:14,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:28:14,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:28:14,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:28:14,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:28:14,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:28:14,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:28:14,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:28:14,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:28:14,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:28:14,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:28:14,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:28:14,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:28:14,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:28:14,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:28:14,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:28:14,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:28:14,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:28:14,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:28:14,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:28:14,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:28:14,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:28:14,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:28:14,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:28:14,671 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:28:14,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product27.cil.c [2020-10-27 02:28:14,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c3fb98d/ec135a649d23474db68d3351d620df21/FLAG40b591968 [2020-10-27 02:28:15,565 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:28:15,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product27.cil.c [2020-10-27 02:28:15,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c3fb98d/ec135a649d23474db68d3351d620df21/FLAG40b591968 [2020-10-27 02:28:15,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28c3fb98d/ec135a649d23474db68d3351d620df21 [2020-10-27 02:28:15,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:28:15,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:28:15,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:28:15,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:28:15,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:28:15,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:15" (1/1) ... [2020-10-27 02:28:15,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe19f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:15, skipping insertion in model container [2020-10-27 02:28:15,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:15" (1/1) ... [2020-10-27 02:28:15,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:28:15,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:28:16,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:16,514 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:28:16,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:16,727 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:28:16,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16 WrapperNode [2020-10-27 02:28:16,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:28:16,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:28:16,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:28:16,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:28:16,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (1/1) ... [2020-10-27 02:28:16,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (1/1) ... [2020-10-27 02:28:16,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (1/1) ... [2020-10-27 02:28:16,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (1/1) ... [2020-10-27 02:28:16,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (1/1) ... [2020-10-27 02:28:16,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (1/1) ... [2020-10-27 02:28:16,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (1/1) ... [2020-10-27 02:28:16,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:28:16,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:28:16,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:28:16,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:28:16,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (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 02:28:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:28:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:28:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:28:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:28:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:28:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:28:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:28:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:28:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:28:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:28:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:28:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:28:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:28:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:28:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:28:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:28:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:28:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:28:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:28:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:28:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:28:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:28:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:28:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:28:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:28:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:28:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:28:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:28:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:28:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:28:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:28:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:28:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:28:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:28:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:28:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:28:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:28:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:28:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:28:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:28:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:28:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:28:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:28:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:28:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:28:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:28:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:28:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:28:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:28:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:28:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:28:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:28:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:28:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:28:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:28:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:28:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:28:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:28:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:28:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:28:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:28:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:28:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:28:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:28:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:28:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:28:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:28:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:28:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:28:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:28:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:28:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:28:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:28:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:28:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:28:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:28:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:28:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:28:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:28:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:28:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:28:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:28:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:28:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:28:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:28:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:28:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:28:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:28:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:28:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:28:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:28:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:28:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:28:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:28:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:28:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:28:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:28:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:28:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:28:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:28:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:28:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:28:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:28:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:28:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:28:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:28:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:28:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:28:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:28:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:28:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:28:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:28:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:28:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:28:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:28:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:28:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:28:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:28:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:28:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:28:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:28:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:28:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:28:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:28:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:28:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:28:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:28:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:28:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:28:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:28:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:28:19,971 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:28:19,971 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:28:19,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:19 BoogieIcfgContainer [2020-10-27 02:28:19,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:28:19,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:28:19,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:28:19,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:28:19,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:28:15" (1/3) ... [2020-10-27 02:28:19,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b92bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:19, skipping insertion in model container [2020-10-27 02:28:19,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:16" (2/3) ... [2020-10-27 02:28:19,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b92bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:19, skipping insertion in model container [2020-10-27 02:28:19,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:19" (3/3) ... [2020-10-27 02:28:19,983 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product27.cil.c [2020-10-27 02:28:19,995 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:28:20,000 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:28:20,013 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:28:20,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:28:20,049 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:28:20,049 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:28:20,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:28:20,050 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:28:20,050 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:28:20,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:28:20,050 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:28:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states. [2020-10-27 02:28:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 02:28:20,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:28:20,124 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:28:20,125 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 02:28:20,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:28:20,131 INFO L82 PathProgramCache]: Analyzing trace with hash 886299217, now seen corresponding path program 1 times [2020-10-27 02:28:20,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:28:20,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378620416] [2020-10-27 02:28:20,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:28:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:21,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:21,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:21,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:24,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:25,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:25,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-27 02:28:25,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:28:25,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-27 02:28:25,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:25,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:25,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:28:25,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 02:28:25,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:28:27,470 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:28:27,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:27,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:27,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:27,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:27,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:27,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-27 02:28:27,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:28:27,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:27,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:27,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:27,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:27,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:27,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:27,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:27,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:27,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:27,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:28:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:27,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:27,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:27,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:27,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:27,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:27,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:27,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:27,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:28:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:27,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:27,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:27,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:27,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:27,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:27,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:27,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:28:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:27,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:27,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:27,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:27,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:27,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:28:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:27,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:27,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:27,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:27,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:27,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:28:27,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:27,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:28,075 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:28:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:28:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:28,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:28,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:28,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:28,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:29,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:33,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 02:28:33,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:28:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:28:33,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:28:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:33,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:33,302 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:28:33,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:33,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:28:33,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:28:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-27 02:28:33,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:28:33,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:33,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:33,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:33,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:33,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:28:33,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:28:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:33,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:33,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:28:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:33,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:33,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:34,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:28:34,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:34,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 02:28:34,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:34,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:28:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:28:34,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:34,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:28:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:34,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:34,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:34,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:34,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:34,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:28:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:34,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:34,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:35,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:35,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:38,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 02:28:38,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:28:38,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4578 [2020-10-27 02:28:38,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:28:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:28:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:28:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:38,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:40,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 02:28:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:28:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2218 [2020-10-27 02:28:40,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:28:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:28:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:28:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:40,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:28:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 02:28:41,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:28:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:28:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:28:41,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:28:41,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:41,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:28:41,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:41,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:28:41,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:41,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:28:41,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:28:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:41,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:28:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:28:41,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:28:41,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:28:41,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:28:41,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:41,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:41,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:41,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:41,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:41,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:28:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:41,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:28:41,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:41,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:28:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:28:41,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:28:41,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:28:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:28:41,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:28:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:28:41,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:41,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:28:41,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:28:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:41,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:41,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:41,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:41,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:41,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:41,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:41,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:41,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:41,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 02:28:41,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378620416] [2020-10-27 02:28:41,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:28:41,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 02:28:41,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351105427] [2020-10-27 02:28:41,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 02:28:41,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:28:41,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 02:28:41,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2020-10-27 02:28:41,812 INFO L87 Difference]: Start difference. First operand 781 states. Second operand 25 states. [2020-10-27 02:28:45,005 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:28:45,778 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:28:47,120 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:28:48,336 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:28:49,926 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:28:53,476 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:28:54,712 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:28:56,366 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:28:57,718 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:28:58,062 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:29:03,616 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:05,459 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:07,965 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 421 DAG size of output: 416 [2020-10-27 02:29:08,590 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:29:10,367 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:29:11,728 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:29:14,630 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:29:17,549 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:29:19,175 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:29:19,741 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:29:21,466 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:29:23,007 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:29:24,528 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:29:25,912 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:29:27,189 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:29:27,640 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:29:27,945 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:29:28,225 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 02:29:30,762 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:29:32,139 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:29:33,847 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:29:38,801 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:29:39,923 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:29:40,136 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:29:40,827 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:29:42,534 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:29:54,133 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:29:55,343 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:29:55,706 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:29:55,972 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:29:57,964 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:30:11,072 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:30:11,638 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:30:12,141 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:30:12,572 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:30:30,344 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:30:31,600 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:30:32,043 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 02:30:34,198 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:30:47,671 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:31:15,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:31:15,421 INFO L93 Difference]: Finished difference Result 3964 states and 7546 transitions. [2020-10-27 02:31:15,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-10-27 02:31:15,424 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 136 [2020-10-27 02:31:15,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:31:15,517 INFO L225 Difference]: With dead ends: 3964 [2020-10-27 02:31:15,517 INFO L226 Difference]: Without dead ends: 3246 [2020-10-27 02:31:15,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4009 ImplicationChecksByTransitivity, 45.5s TimeCoverageRelationStatistics Valid=1892, Invalid=10098, Unknown=0, NotChecked=0, Total=11990 [2020-10-27 02:31:15,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2020-10-27 02:31:16,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 1599. [2020-10-27 02:31:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1599 states. [2020-10-27 02:31:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2539 transitions. [2020-10-27 02:31:16,357 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2539 transitions. Word has length 136 [2020-10-27 02:31:16,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:31:16,358 INFO L481 AbstractCegarLoop]: Abstraction has 1599 states and 2539 transitions. [2020-10-27 02:31:16,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 02:31:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2539 transitions. [2020-10-27 02:31:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 02:31:16,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:31:16,388 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:31:16,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:31:16,388 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 02:31:16,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:31:16,395 INFO L82 PathProgramCache]: Analyzing trace with hash 362005054, now seen corresponding path program 1 times [2020-10-27 02:31:16,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:31:16,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654869090] [2020-10-27 02:31:16,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:31:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:16,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:16,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:16,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:17,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:21,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:21,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 02:31:21,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:31:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-10-27 02:31:21,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 02:31:21,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:31:21,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 02:31:21,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:22,886 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:31:22,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:31:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:22,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:23,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:23,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:23,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 02:31:23,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:31:23,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:23,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:31:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:23,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:23,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:31:23,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:23,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:31:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:31:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:23,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:31:23,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:23,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:31:23,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:23,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:31:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:23,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:23,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:31:23,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:23,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:31:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:23,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:31:23,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:23,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:31:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:31:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:23,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:23,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:23,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:23,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:31:23,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:23,362 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:31:23,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:31:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:23,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:28,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:28,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-27 02:31:28,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:31:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 02:31:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:31:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:31:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:28,539 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:31:28,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:31:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:28,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:28,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:29,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:29,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:31:29,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:31:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-27 02:31:29,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:29,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:31:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:31:29,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:29,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:29,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:29,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:29,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:31:29,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:29,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:29,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:29,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:29,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:31:29,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:31:29,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:31:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:29,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:29,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:29,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:29,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:31:29,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:31:29,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:31:29,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:31:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:31:29,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:29,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:31:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:29,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:29,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:29,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:29,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:29,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:31:29,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:29,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:31:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:29,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:29,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:29,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:31,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2712 [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 02:31:31,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:31,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:32,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:32,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 02:31:33,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:31:33,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1231 [2020-10-27 02:31:33,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 02:31:33,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:31:33,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 02:31:33,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:31:33,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:31:33,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:31:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:31:33,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:31:33,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:33,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:31:33,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:31:33,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:33,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:31:33,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:31:33,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:31:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:33,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:33,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:31:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 02:31:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:31:33,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:31:33,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 02:31:33,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:31:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:31:33,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:31:33,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:33,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:31:33,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:31:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:31:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:31:33,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:33,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:31:33,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:31:33,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:33,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:31:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:33,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:33,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:33,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:33,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:33,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:31:33,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:31:33,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:34,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 02:31:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:34,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:34,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:31:34,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:31:34,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:31:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:31:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:31:34,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:34,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 02:31:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:34,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:34,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:34,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:31:34,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:31:34,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:31:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:34,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:34,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:34,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:31:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:34,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:34,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:34,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:34,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:34,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:31:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:34,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:34,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:34,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:34,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:31:34,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 02:31:34,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654869090] [2020-10-27 02:31:34,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:31:34,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 02:31:34,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865773778] [2020-10-27 02:31:34,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 02:31:34,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:31:34,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 02:31:34,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2020-10-27 02:31:34,399 INFO L87 Difference]: Start difference. First operand 1599 states and 2539 transitions. Second operand 30 states. [2020-10-27 02:31:37,130 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:31:37,823 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:31:39,228 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:31:40,562 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:31:42,159 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:31:46,108 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:31:47,429 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:31:48,749 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:31:50,104 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:31:51,767 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:31:53,105 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:31:54,435 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:31:55,823 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 02:31:57,201 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:31:58,661 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 420