/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_spec14_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:07:52,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:07:52,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:07:52,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:07:52,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:07:52,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:07:52,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:07:52,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:07:52,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:07:52,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:07:52,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:07:52,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:07:52,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:07:52,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:07:52,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:07:52,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:07:52,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:07:52,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:07:52,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:07:52,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:07:52,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:07:52,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:07:52,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:07:52,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:07:52,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:07:52,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:07:52,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:07:52,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:07:52,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:07:52,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:07:52,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:07:52,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:07:52,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:07:52,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:07:52,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:07:52,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:07:52,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:07:52,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:07:52,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:07:52,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:07:52,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:07:52,983 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 02:07:53,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:07:53,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:07:53,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:07:53,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:07:53,035 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:07:53,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:07:53,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:07:53,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:07:53,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:07:53,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:07:53,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:07:53,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:07:53,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:07:53,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:07:53,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:07:53,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:07:53,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:07:53,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:07:53,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:07:53,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:07:53,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:07:53,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:07:53,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:07:53,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:07:53,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:07:53,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:07:53,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:07:53,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:07:53,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:07:53,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:07:53,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:07:53,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:07:53,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:07:53,530 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:07:53,530 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:07:53,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product19.cil.c [2020-10-27 02:07:53,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24dbbc609/7bdfaa86a7164bdda1d8fdfed5ea1a5c/FLAG41d232b96 [2020-10-27 02:07:54,513 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:07:54,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product19.cil.c [2020-10-27 02:07:54,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24dbbc609/7bdfaa86a7164bdda1d8fdfed5ea1a5c/FLAG41d232b96 [2020-10-27 02:07:54,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24dbbc609/7bdfaa86a7164bdda1d8fdfed5ea1a5c [2020-10-27 02:07:54,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:07:54,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:07:54,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:07:54,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:07:54,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:07:54,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:07:54" (1/1) ... [2020-10-27 02:07:54,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4abeb7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:54, skipping insertion in model container [2020-10-27 02:07:54,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:07:54" (1/1) ... [2020-10-27 02:07:54,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:07:54,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:07:55,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:07:55,479 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:07:55,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:07:55,654 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:07:55,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55 WrapperNode [2020-10-27 02:07:55,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:07:55,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:07:55,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:07:55,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:07:55,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (1/1) ... [2020-10-27 02:07:55,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (1/1) ... [2020-10-27 02:07:55,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (1/1) ... [2020-10-27 02:07:55,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (1/1) ... [2020-10-27 02:07:55,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (1/1) ... [2020-10-27 02:07:55,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (1/1) ... [2020-10-27 02:07:55,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (1/1) ... [2020-10-27 02:07:55,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:07:55,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:07:55,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:07:55,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:07:55,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (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 02:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:07:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:07:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:07:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:07:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:07:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:07:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:07:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:07:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:07:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:07:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:07:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:07:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:07:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:07:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:07:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:07:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:07:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:07:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:07:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:07:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:07:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:07:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:07:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:07:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:07:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:07:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:07:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:07:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:07:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:07:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:07:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-27 02:07:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:07:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:07:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:07:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:07:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:07:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:07:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:07:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:07:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:07:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:07:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:07:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:07:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:07:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:07:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:07:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:07:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:07:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:07:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:07:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:07:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:07:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:07:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:07:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:07:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:07:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:07:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:07:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:07:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:07:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:07:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:07:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:07:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:07:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:07:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:07:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:07:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:07:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:07:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:07:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:07:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:07:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:07:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:07:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:07:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:07:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:07:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:07:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:07:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:07:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:07:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:07:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:07:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:07:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:07:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:07:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-27 02:07:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:07:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:07:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:07:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:07:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:07:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:07:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:07:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:07:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:07:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:07:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:07:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:07:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:07:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:07:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:07:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:07:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:07:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:07:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:07:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:07:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:07:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:07:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:07:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:07:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:07:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:07:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:07:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:07:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:07:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:07:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:07:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:07:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:07:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:07:58,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:07:58,499 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:07:58,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:07:58 BoogieIcfgContainer [2020-10-27 02:07:58,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:07:58,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:07:58,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:07:58,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:07:58,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:07:54" (1/3) ... [2020-10-27 02:07:58,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132f15aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:07:58, skipping insertion in model container [2020-10-27 02:07:58,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:07:55" (2/3) ... [2020-10-27 02:07:58,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132f15aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:07:58, skipping insertion in model container [2020-10-27 02:07:58,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:07:58" (3/3) ... [2020-10-27 02:07:58,516 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product19.cil.c [2020-10-27 02:07:58,529 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:07:58,535 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:07:58,550 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:07:58,598 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:07:58,598 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:07:58,598 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:07:58,598 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:07:58,599 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:07:58,599 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:07:58,599 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:07:58,599 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:07:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states. [2020-10-27 02:07:58,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 02:07:58,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:07:58,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:58,686 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 02:07:58,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:07:58,698 INFO L82 PathProgramCache]: Analyzing trace with hash -157771854, now seen corresponding path program 1 times [2020-10-27 02:07:58,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:07:58,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204938462] [2020-10-27 02:07:58,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:07:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:59,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:59,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:00,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:01,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:02,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:04,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:04,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-27 02:08:04,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:08:04,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-27 02:08:04,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:04,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:04,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 02:08:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:08:05,366 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:08:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:08:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:05,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:05,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:05,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 02:08:05,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:08:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:05,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:08:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:05,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:05,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:05,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:08:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:05,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:05,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:05,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:05,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:05,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:05,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:08:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:05,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:05,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:05,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:05,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:08:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:05,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:08:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:05,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:05,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:05,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:05,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:05,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:05,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:05,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:05,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:05,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:05,755 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:08:05,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:08:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:05,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:06,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:08:06,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:08:06,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-10-27 02:08:06,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:06,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:08:06,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:06,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:06,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:06,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:06,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:06,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:06,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:06,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:08:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:06,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:06,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:08:06,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:06,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 02:08:06,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:06,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:08:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:06,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:06,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:06,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:06,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:08:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:06,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:06,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:08:06,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:08:06,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:08:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:08:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:06,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:06,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:06,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:08:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:08:06,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:08:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:06,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:06,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:06,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:06,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:08:06,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:08:06,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:08:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:08:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 02:08:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:08:07,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:08:07,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 02:08:07,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:08:07,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:08:07,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:08:07,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:07,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:07,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:08:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:08:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:07,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:07,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 02:08:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:08:07,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:07,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:08:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:08:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:08:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:08:07,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:07,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:08:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:07,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:07,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 02:08:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:07,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:07,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 02:08:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:07,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:07,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 02:08:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:07,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:07,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:07,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:07,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:07,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:07,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:07,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 02:08:07,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204938462] [2020-10-27 02:08:07,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:08:07,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 02:08:07,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815594159] [2020-10-27 02:08:07,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:08:07,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:08:07,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:08:07,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:08:07,322 INFO L87 Difference]: Start difference. First operand 739 states. Second operand 10 states. [2020-10-27 02:08:08,883 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:08:11,814 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:08:12,938 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:08:13,550 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:08:18,906 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:08:19,696 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:08:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:08:34,384 INFO L93 Difference]: Finished difference Result 1503 states and 2607 transitions. [2020-10-27 02:08:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 02:08:34,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-27 02:08:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:08:34,422 INFO L225 Difference]: With dead ends: 1503 [2020-10-27 02:08:34,422 INFO L226 Difference]: Without dead ends: 876 [2020-10-27 02:08:34,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:08:34,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-10-27 02:08:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 592. [2020-10-27 02:08:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-27 02:08:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 939 transitions. [2020-10-27 02:08:34,755 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 939 transitions. Word has length 136 [2020-10-27 02:08:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:08:34,755 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 939 transitions. [2020-10-27 02:08:34,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:08:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 939 transitions. [2020-10-27 02:08:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-27 02:08:34,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:08:34,763 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:08:34,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:08:34,764 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 02:08:34,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:08:34,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1883109704, now seen corresponding path program 1 times [2020-10-27 02:08:34,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:08:34,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795802959] [2020-10-27 02:08:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:08:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:34,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:35,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:35,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:35,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:35,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:39,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:39,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-27 02:08:39,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:08:39,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:08:39,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 02:08:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:40,983 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:08:40,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:08:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:41,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:41,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:41,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:41,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-27 02:08:41,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:41,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:08:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:08:41,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:08:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:41,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:41,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:41,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:41,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:41,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:41,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:41,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:08:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:41,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:41,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:41,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:41,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:08:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:41,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:41,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:41,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:08:41,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:08:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:41,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:08:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:41,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:41,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:08:41,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:41,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:41,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:08:41,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:41,451 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:08:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:08:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:41,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:41,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:08:42,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:08:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 766 [2020-10-27 02:08:42,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:08:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:42,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:42,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:08:42,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:08:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:08:42,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:08:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 02:08:42,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:08:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:08:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:42,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:08:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:08:42,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:08:42,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:08:42,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:08:42,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:08:42,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:08:42,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:42,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:08:42,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:08:42,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:08:42,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:08:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:08:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:08:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:42,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:42,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:08:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:08:42,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 02:08:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:08:42,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:08:42,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:08:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:08:42,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:42,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:08:42,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:42,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:08:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 02:08:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:42,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:42,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 02:08:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:08:42,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:08:42,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:08:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:08:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:08:42,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:08:42,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:08:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:08:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:08:42,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:42,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:08:42,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:08:42,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:08:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:42,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:42,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:42,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 02:08:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:42,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:08:42,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:42,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 02:08:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:08:42,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:08:42,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:08:42,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:08:42,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:08:42,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:08:42,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:08:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:08:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:08:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:08:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:08:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 02:08:42,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795802959] [2020-10-27 02:08:42,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:08:42,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 02:08:42,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870899542] [2020-10-27 02:08:42,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:08:42,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:08:42,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:08:42,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:08:42,714 INFO L87 Difference]: Start difference. First operand 592 states and 939 transitions. Second operand 11 states. [2020-10-27 02:08:44,488 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:08:47,310 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:08:48,479 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:08:49,031 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:08:54,551 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:08:55,171 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:09:10,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:09:10,831 INFO L93 Difference]: Finished difference Result 1443 states and 2482 transitions. [2020-10-27 02:09:10,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 02:09:10,832 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-27 02:09:10,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:09:10,844 INFO L225 Difference]: With dead ends: 1443 [2020-10-27 02:09:10,844 INFO L226 Difference]: Without dead ends: 881 [2020-10-27 02:09:10,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:09:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-10-27 02:09:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 597. [2020-10-27 02:09:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-27 02:09:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 943 transitions. [2020-10-27 02:09:11,103 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 943 transitions. Word has length 139 [2020-10-27 02:09:11,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:09:11,106 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 943 transitions. [2020-10-27 02:09:11,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:09:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 943 transitions. [2020-10-27 02:09:11,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-27 02:09:11,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:09:11,112 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:09:11,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:09:11,113 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:09:11,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:09:11,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1671416978, now seen corresponding path program 1 times [2020-10-27 02:09:11,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:09:11,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209700010] [2020-10-27 02:09:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:09:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:11,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:11,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:11,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:11,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:13,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:15,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:16,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:16,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-27 02:09:16,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:09:16,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5258 [2020-10-27 02:09:16,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:16,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 02:09:16,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:16,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 02:09:16,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:17,559 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:09:17,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:09:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:17,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:17,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 02:09:17,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:09:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:17,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:09:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:17,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:17,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:17,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:09:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:17,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:17,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:17,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:17,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:17,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:09:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:17,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:17,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:17,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:09:17,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:17,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:09:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:17,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:09:17,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:17,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:17,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:17,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:17,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:17,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:17,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:17,887 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:09:17,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:09:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:18,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:09:19,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:09:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1467 [2020-10-27 02:09:19,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:09:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:09:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:09:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:09:19,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:09:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:09:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:09:19,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:19,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 02:09:19,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:09:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:09:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:09:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:09:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:09:19,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:09:19,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:09:19,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:09:19,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:09:19,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:09:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:09:19,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:09:19,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 02:09:19,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:09:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:09:19,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:19,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:09:19,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:09:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:09:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 02:09:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:09:19,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 02:09:19,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:09:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 02:09:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 02:09:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:09:19,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:09:19,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:09:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:09:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:09:19,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:09:19,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:09:19,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:09:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:19,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:09:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:09:19,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 02:09:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:09:19,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:09:19,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:09:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 02:09:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:09:19,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:09:19,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:09:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:09:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:09:19,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:09:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 02:09:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 02:09:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:19,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 02:09:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:19,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:09:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:09:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:09:19,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:09:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:09:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:09:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:09:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-27 02:09:20,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209700010] [2020-10-27 02:09:20,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:09:20,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 02:09:20,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816219435] [2020-10-27 02:09:20,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 02:09:20,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:09:20,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 02:09:20,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 02:09:20,051 INFO L87 Difference]: Start difference. First operand 597 states and 943 transitions. Second operand 14 states. [2020-10-27 02:09:22,384 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:09:25,386 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:09:26,752 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:09:29,008 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2020-10-27 02:09:30,128 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:09:32,318 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 402 DAG size of output: 400 [2020-10-27 02:09:33,544 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 401 [2020-10-27 02:09:34,325 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:09:34,606 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:09:45,196 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 402 DAG size of output: 400 [2020-10-27 02:09:46,275 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 02:09:49,676 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 402 DAG size of output: 400 [2020-10-27 02:09:50,858 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:10:31,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:10:31,013 INFO L93 Difference]: Finished difference Result 2396 states and 4185 transitions. [2020-10-27 02:10:31,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 02:10:31,014 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 142 [2020-10-27 02:10:31,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:10:31,034 INFO L225 Difference]: With dead ends: 2396 [2020-10-27 02:10:31,034 INFO L226 Difference]: Without dead ends: 1831 [2020-10-27 02:10:31,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=318, Invalid=1014, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 02:10:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2020-10-27 02:10:31,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1238. [2020-10-27 02:10:31,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1238 states. [2020-10-27 02:10:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1997 transitions. [2020-10-27 02:10:31,509 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1997 transitions. Word has length 142 [2020-10-27 02:10:31,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:10:31,509 INFO L481 AbstractCegarLoop]: Abstraction has 1238 states and 1997 transitions. [2020-10-27 02:10:31,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 02:10:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1997 transitions. [2020-10-27 02:10:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 02:10:31,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:10:31,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 02:10:31,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:10:31,518 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:10:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:10:31,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1418833270, now seen corresponding path program 1 times [2020-10-27 02:10:31,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:10:31,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211229883] [2020-10-27 02:10:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:10:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:31,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:31,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:31,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:31,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:35,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:35,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:36,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:36,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:36,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-27 02:10:36,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:10:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-27 02:10:36,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 02:10:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 02:10:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:37,782 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 394 [2020-10-27 02:10:37,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:37,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:37,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:37,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:37,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 02:10:37,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:37,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:10:37,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:10:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:37,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:37,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:37,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:37,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:37,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:37,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:10:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:37,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:37,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:37,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:37,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:37,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:10:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:37,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:10:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:38,075 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:10:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:10:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:38,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:38,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 985 [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:10:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:39,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:10:39,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:10:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:10:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 02:10:39,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:10:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:10:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:39,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:10:39,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:10:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 02:10:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:10:39,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:10:39,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 02:10:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:10:39,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:39,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:39,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:39,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:10:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:39,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:10:39,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 02:10:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 02:10:39,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:10:39,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:10:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:10:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 02:10:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 02:10:39,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:10:39,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:10:39,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:10:39,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:10:39,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:39,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:10:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:10:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 02:10:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:39,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:39,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:10:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 02:10:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:10:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:39,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:39,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 02:10:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 02:10:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 02:10:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:39,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-27 02:10:39,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211229883] [2020-10-27 02:10:39,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:10:39,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 02:10:39,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123656238] [2020-10-27 02:10:39,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 02:10:39,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:10:39,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 02:10:39,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-27 02:10:39,511 INFO L87 Difference]: Start difference. First operand 1238 states and 1997 transitions. Second operand 14 states. [2020-10-27 02:10:41,500 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-27 02:10:44,426 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-27 02:10:45,781 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:10:47,056 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:10:48,188 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:10:49,336 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:10:50,708 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:10:51,863 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:10:52,490 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:10:52,847 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:11:02,621 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:11:03,764 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-27 02:11:04,866 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-27 02:11:07,103 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:11:09,199 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 399 [2020-10-27 02:11:10,312 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 399