/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:36:53,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:36:53,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:36:53,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:36:53,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:36:53,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:36:53,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:36:53,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:36:53,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:36:53,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:36:53,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:36:53,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:36:53,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:36:53,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:36:53,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:36:53,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:36:53,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:36:53,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:36:53,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:36:53,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:36:53,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:36:53,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:36:53,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:36:53,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:36:53,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:36:53,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:36:53,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:36:53,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:36:53,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:36:53,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:36:53,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:36:53,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:36:53,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:36:53,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:36:53,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:36:53,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:36:53,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:36:53,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:36:53,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:36:53,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:36:53,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:36:53,189 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 [2020-10-28 15:36:53,217 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:36:53,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:36:53,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:36:53,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:36:53,219 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:36:53,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:36:53,220 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:36:53,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:36:53,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:36:53,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:36:53,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:36:53,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:36:53,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:36:53,221 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:36:53,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:36:53,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:36:53,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:36:53,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:36:53,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:36:53,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:36:53,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:36:53,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:36:53,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:36:53,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:36:53,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:36:53,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:36:53,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:36:53,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:36:53,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:36:53,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:36:53,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:36:53,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:36:53,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:36:53,622 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:36:53,624 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:36:53,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2020-10-28 15:36:53,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b58e47fb/093292d760b24503892b627b0c2e9ded/FLAG011563631 [2020-10-28 15:36:54,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:36:54,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2020-10-28 15:36:54,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b58e47fb/093292d760b24503892b627b0c2e9ded/FLAG011563631 [2020-10-28 15:36:54,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b58e47fb/093292d760b24503892b627b0c2e9ded [2020-10-28 15:36:54,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:36:54,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:36:54,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:36:54,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:36:54,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:36:54,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:36:54" (1/1) ... [2020-10-28 15:36:54,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166a1c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:54, skipping insertion in model container [2020-10-28 15:36:54,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:36:54" (1/1) ... [2020-10-28 15:36:54,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:36:54,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:36:55,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:36:55,522 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:36:55,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:36:55,758 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:36:55,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55 WrapperNode [2020-10-28 15:36:55,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:36:55,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:36:55,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:36:55,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:36:55,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (1/1) ... [2020-10-28 15:36:55,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (1/1) ... [2020-10-28 15:36:55,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (1/1) ... [2020-10-28 15:36:55,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (1/1) ... [2020-10-28 15:36:55,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (1/1) ... [2020-10-28 15:36:55,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (1/1) ... [2020-10-28 15:36:55,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (1/1) ... [2020-10-28 15:36:55,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:36:55,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:36:55,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:36:55,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:36:55,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (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 [2020-10-28 15:36:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:36:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:36:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:36:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:36:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:36:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:36:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:36:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:36:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:36:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:36:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:36:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:36:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:36:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:36:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:36:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:36:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:36:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:36:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:36:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:36:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:36:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:36:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:36:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:36:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:36:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:36:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:36:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:36:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:36:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:36:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:36:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:36:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:36:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:36:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:36:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:36:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-28 15:36:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:36:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-28 15:36:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:36:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:36:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:36:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:36:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:36:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:36:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:36:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:36:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:36:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:36:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:36:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:36:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:36:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:36:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:36:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:36:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:36:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:36:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:36:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:36:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:36:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:36:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:36:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:36:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:36:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:36:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:36:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:36:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:36:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:36:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:36:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:36:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:36:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:36:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:36:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:36:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:36:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:36:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:36:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:36:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:36:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:36:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:36:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:36:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:36:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:36:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:36:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:36:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:36:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:36:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:36:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:36:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:36:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:36:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:36:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:36:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:36:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:36:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:36:56,093 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:36:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:36:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:36:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:36:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:36:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:36:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:36:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:36:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:36:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:36:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:36:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:36:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:36:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:36:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:36:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:36:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:36:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:36:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:36:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:36:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:36:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:36:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-28 15:36:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:36:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-28 15:36:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:36:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:36:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:36:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:36:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:36:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:36:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:36:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:36:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:36:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:36:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:36:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:36:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:36:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:36:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:36:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:36:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:36:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:36:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:36:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:36:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:36:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:36:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:36:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:36:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:36:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:36:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:36:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:36:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:36:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:36:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:36:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:36:59,110 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:36:59,111 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:36:59,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:36:59 BoogieIcfgContainer [2020-10-28 15:36:59,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:36:59,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:36:59,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:36:59,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:36:59,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:36:54" (1/3) ... [2020-10-28 15:36:59,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b96290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:36:59, skipping insertion in model container [2020-10-28 15:36:59,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:55" (2/3) ... [2020-10-28 15:36:59,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b96290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:36:59, skipping insertion in model container [2020-10-28 15:36:59,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:36:59" (3/3) ... [2020-10-28 15:36:59,124 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product18.cil.c [2020-10-28 15:36:59,136 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:36:59,142 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:36:59,156 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:36:59,189 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:36:59,190 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:36:59,190 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:36:59,190 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:36:59,190 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:36:59,190 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:36:59,190 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:36:59,190 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:36:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2020-10-28 15:36:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 15:36:59,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:36:59,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:36:59,246 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]=== [2020-10-28 15:36:59,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:36:59,253 INFO L82 PathProgramCache]: Analyzing trace with hash -363074672, now seen corresponding path program 1 times [2020-10-28 15:36:59,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:36:59,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938401298] [2020-10-28 15:36:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:36:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:59,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:00,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:02,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:04,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:04,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:04,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-28 15:37:04,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-28 15:37:04,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:04,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:04,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:04,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-28 15:37:04,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:04,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:37:06,060 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:37:06,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:06,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:06,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 15:37:06,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:06,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:06,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:06,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:37:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:06,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:06,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:06,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:37:06,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:06,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:06,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:06,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:06,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:06,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:37:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:06,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:06,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:06,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:06,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:06,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:06,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:06,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 15:37:06,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:37:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:06,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:06,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:06,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:06,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:06,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:37:06,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:37:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:06,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:06,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:06,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:06,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:06,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:06,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:06,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:37:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:06,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:06,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:06,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:37:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:06,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:06,574 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:37:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:37:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:06,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:06,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:08,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 15:37:08,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:37:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1662 [2020-10-28 15:37:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:08,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 15:37:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:08,468 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:37:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:08,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:08,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:08,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:08,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:08,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:37:09,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:37:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-28 15:37:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:09,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:09,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:37:09,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:37:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:09,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 15:37:09,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:09,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:37:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:09,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:09,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:09,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:37:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 15:37:09,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:37:09,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 15:37:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:09,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:37:09,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:09,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:37:09,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:09,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:09,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:09,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:09,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:37:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:37:09,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:09,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:37:09,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:09,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:09,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:09,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:09,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:09,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:09,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:37:09,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938401298] [2020-10-28 15:37:09,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:37:09,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 15:37:09,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110531979] [2020-10-28 15:37:09,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 15:37:09,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:37:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 15:37:09,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-28 15:37:09,638 INFO L87 Difference]: Start difference. First operand 762 states. Second operand 7 states. [2020-10-28 15:37:11,981 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:37:34,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:37:34,957 INFO L93 Difference]: Finished difference Result 1084 states and 1943 transitions. [2020-10-28 15:37:34,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 15:37:34,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-10-28 15:37:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:37:35,005 INFO L225 Difference]: With dead ends: 1084 [2020-10-28 15:37:35,006 INFO L226 Difference]: Without dead ends: 1030 [2020-10-28 15:37:35,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:37:35,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-28 15:37:35,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-28 15:37:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-28 15:37:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 952 transitions. [2020-10-28 15:37:35,324 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 952 transitions. Word has length 86 [2020-10-28 15:37:35,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:37:35,325 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 952 transitions. [2020-10-28 15:37:35,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 15:37:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 952 transitions. [2020-10-28 15:37:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 15:37:35,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:37:35,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:37:35,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:37:35,334 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]=== [2020-10-28 15:37:35,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:37:35,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1749095357, now seen corresponding path program 1 times [2020-10-28 15:37:35,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:37:35,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392960418] [2020-10-28 15:37:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:37:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:35,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:40,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:40,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 15:37:40,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:37:40,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-28 15:37:40,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:40,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:37:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:37:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:41,765 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:37:41,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:41,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:41,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:41,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:41,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:41,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 15:37:41,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:41,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:37:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:41,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:41,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:41,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:41,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:41,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:41,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:41,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:41,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:37:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:41,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:41,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:41,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:37:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:41,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:41,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:41,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:41,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:41,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:41,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:41,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:37:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:41,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:41,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:41,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:41,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:41,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:41,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:37:41,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:37:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:41,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:41,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:41,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:41,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:41,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:41,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:41,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:42,196 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:37:42,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:37:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:42,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:44,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 15:37:44,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:37:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1883 [2020-10-28 15:37:44,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:44,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:37:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:37:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:44,253 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:37:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:44,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:37:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:37:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-28 15:37:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:44,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:37:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:37:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:44,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:44,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:37:44,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:44,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:44,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:37:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:44,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:44,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:44,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:44,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:37:44,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:44,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:37:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:37:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:37:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:45,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:45,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:37:45,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:37:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:37:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:37:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:37:45,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:45,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 15:37:45,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 15:37:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:37:45,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:45,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 15:37:45,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:45,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:45,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:45,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:45,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:37:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:37:45,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:45,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:37:45,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:37:45,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:45,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:45,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:45,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:37:45,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392960418] [2020-10-28 15:37:45,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:37:45,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:37:45,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384160567] [2020-10-28 15:37:45,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:37:45,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:37:45,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:37:45,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:37:45,253 INFO L87 Difference]: Start difference. First operand 592 states and 952 transitions. Second operand 9 states. [2020-10-28 15:37:47,699 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:37:49,037 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:38:07,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:38:07,795 INFO L93 Difference]: Finished difference Result 1539 states and 2679 transitions. [2020-10-28 15:38:07,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:38:07,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-28 15:38:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:38:07,808 INFO L225 Difference]: With dead ends: 1539 [2020-10-28 15:38:07,808 INFO L226 Difference]: Without dead ends: 1030 [2020-10-28 15:38:07,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:38:07,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-28 15:38:08,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-28 15:38:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-28 15:38:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 947 transitions. [2020-10-28 15:38:08,060 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 947 transitions. Word has length 88 [2020-10-28 15:38:08,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:38:08,060 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 947 transitions. [2020-10-28 15:38:08,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:38:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 947 transitions. [2020-10-28 15:38:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 15:38:08,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:38:08,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:38:08,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:38:08,065 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]=== [2020-10-28 15:38:08,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:38:08,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1610572610, now seen corresponding path program 1 times [2020-10-28 15:38:08,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:38:08,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633050191] [2020-10-28 15:38:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:38:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:08,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:08,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:08,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:12,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:13,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 15:38:13,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:38:13,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5255 [2020-10-28 15:38:13,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:13,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:38:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:38:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:14,621 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:38:14,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:38:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:14,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:14,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:14,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:14,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:14,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:38:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:14,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:14,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:14,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:14,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:14,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:14,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:14,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:14,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:38:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:14,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:14,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:14,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:14,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:14,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:14,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:14,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:14,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:38:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:14,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:14,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:14,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:14,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:14,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:14,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:14,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:14,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:38:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:14,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:14,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:14,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:14,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:14,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:14,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:14,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:38:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:14,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:14,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:14,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:14,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:14,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:14,980 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:38:14,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:38:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:15,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:15,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:15,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1238 [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:38:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:38:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,378 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:38:16,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:38:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:38:16,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:38:16,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-28 15:38:16,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:38:16,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:38:16,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:38:16,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:38:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:38:16,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:38:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:38:16,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:16,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:38:16,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:16,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:38:16,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:38:16,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:38:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:38:16,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:38:16,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:38:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:38:16,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:38:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:38:16,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:16,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 15:38:16,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:16,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 15:38:16,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:16,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:38:16,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:16,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:38:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:16,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:16,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:16,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:38:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:38:16,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:38:16,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:16,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:16,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:16,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:16,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:16,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:16,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:16,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:16,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:38:16,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633050191] [2020-10-28 15:38:16,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:38:16,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:38:16,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388651261] [2020-10-28 15:38:16,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:38:16,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:38:16,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:38:16,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:38:16,991 INFO L87 Difference]: Start difference. First operand 592 states and 947 transitions. Second operand 9 states. [2020-10-28 15:38:19,454 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:38:20,745 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:38:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:38:38,807 INFO L93 Difference]: Finished difference Result 1539 states and 2674 transitions. [2020-10-28 15:38:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:38:38,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-28 15:38:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:38:38,820 INFO L225 Difference]: With dead ends: 1539 [2020-10-28 15:38:38,820 INFO L226 Difference]: Without dead ends: 1030 [2020-10-28 15:38:38,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:38:38,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-28 15:38:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-28 15:38:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-28 15:38:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 942 transitions. [2020-10-28 15:38:38,993 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 942 transitions. Word has length 89 [2020-10-28 15:38:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:38:38,993 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 942 transitions. [2020-10-28 15:38:38,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:38:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 942 transitions. [2020-10-28 15:38:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 15:38:38,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:38:38,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:38:38,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:38:38,997 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]=== [2020-10-28 15:38:38,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:38:38,997 INFO L82 PathProgramCache]: Analyzing trace with hash 408634104, now seen corresponding path program 1 times [2020-10-28 15:38:38,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:38:38,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134926443] [2020-10-28 15:38:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:38:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:39,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:39,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:39,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:42,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:44,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:44,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 15:38:44,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:38:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-28 15:38:44,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:44,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:38:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:38:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:45,487 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:38:45,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:38:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:45,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:45,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:45,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:38:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:45,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:45,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:45,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:45,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:45,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:45,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:45,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:45,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:38:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:45,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:45,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:45,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:45,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:45,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:45,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:45,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:45,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:45,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:45,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:45,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:38:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:45,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:45,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:45,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:38:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:45,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:45,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:38:45,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:45,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:45,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:45,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:38:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:45,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:45,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:45,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:45,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:45,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:45,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:45,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:45,887 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:38:45,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:38:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:45,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:45,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:47,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 15:38:47,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:38:47,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1186 [2020-10-28 15:38:47,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:47,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:38:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:38:47,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:47,247 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:38:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:38:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:47,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:47,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:38:47,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:38:47,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 687 [2020-10-28 15:38:47,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:47,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:38:47,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:38:47,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:47,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:47,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:38:47,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:38:47,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:38:47,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:47,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:47,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:47,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:38:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:47,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:47,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:38:47,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:47,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 15:38:47,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:47,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:38:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:38:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:38:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:38:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:48,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:48,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:38:48,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:38:48,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:48,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:38:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:38:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:48,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:38:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:48,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:48,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:48,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:38:48,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 15:38:48,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:48,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 15:38:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:48,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:48,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:48,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:48,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:38:48,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:38:48,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:48,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:48,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:48,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:48,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:48,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:48,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:38:48,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:48,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:48,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:48,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:48,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:38:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:48,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:48,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:48,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:38:48,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:38:48,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:48,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:38:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:38:48,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:38:48,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:38:48,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:38:48,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:38:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:38:48,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:38:48,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:38:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:38:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:38:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:38:48,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:38:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:38:48,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134926443] [2020-10-28 15:38:48,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:38:48,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:38:48,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234266664] [2020-10-28 15:38:48,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:38:48,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:38:48,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:38:48,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:38:48,292 INFO L87 Difference]: Start difference. First operand 592 states and 942 transitions. Second operand 9 states. [2020-10-28 15:38:50,776 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:38:52,202 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:39:17,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:39:17,739 INFO L93 Difference]: Finished difference Result 1539 states and 2669 transitions. [2020-10-28 15:39:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:39:17,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-28 15:39:17,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:39:17,751 INFO L225 Difference]: With dead ends: 1539 [2020-10-28 15:39:17,751 INFO L226 Difference]: Without dead ends: 1030 [2020-10-28 15:39:17,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:39:17,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-28 15:39:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-28 15:39:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-28 15:39:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 937 transitions. [2020-10-28 15:39:17,927 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 937 transitions. Word has length 90 [2020-10-28 15:39:17,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:39:17,928 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 937 transitions. [2020-10-28 15:39:17,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:39:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 937 transitions. [2020-10-28 15:39:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-28 15:39:17,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:39:17,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:39:17,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:39:17,931 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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]=== [2020-10-28 15:39:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:39:17,932 INFO L82 PathProgramCache]: Analyzing trace with hash 600545437, now seen corresponding path program 1 times [2020-10-28 15:39:17,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:39:17,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180958598] [2020-10-28 15:39:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:39:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:18,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:18,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:18,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:19,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:20,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:21,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:22,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:22,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 15:39:22,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:39:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 15:39:22,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:22,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:39:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:39:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 15:39:22,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:24,199 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:39:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:39:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:24,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:24,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:24,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:24,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-28 15:39:24,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:24,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:39:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:24,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:39:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:24,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:24,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:24,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:24,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:39:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:24,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:39:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:24,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:24,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:24,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:24,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:24,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:39:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:39:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:24,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:24,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:39:24,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:24,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:39:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:24,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:24,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:24,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:24,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:24,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:39:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:24,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:39:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:24,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:24,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:24,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:39:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:24,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:39:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:24,676 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:39:24,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:39:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:24,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:25,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 15:39:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:39:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2178 [2020-10-28 15:39:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:26,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:39:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 15:39:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:39:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,044 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:39:27,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:39:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:39:27,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:39:27,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-28 15:39:27,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:27,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:27,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:39:27,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:39:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:39:27,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:39:27,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:39:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:27,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:39:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 15:39:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:39:27,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:27,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:39:27,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:27,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:27,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:39:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:39:27,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:39:27,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:27,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:27,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:27,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:27,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:27,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:27,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:27,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:27,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:39:27,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180958598] [2020-10-28 15:39:27,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:39:27,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:39:27,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886041171] [2020-10-28 15:39:27,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:39:27,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:39:27,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:39:27,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:39:27,640 INFO L87 Difference]: Start difference. First operand 592 states and 937 transitions. Second operand 11 states. [2020-10-28 15:39:29,751 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-28 15:39:30,181 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:39:31,716 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 15:39:32,893 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:39:33,220 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 15:39:38,334 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:39:38,527 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:39:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:39:55,371 INFO L93 Difference]: Finished difference Result 1126 states and 2018 transitions. [2020-10-28 15:39:55,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 15:39:55,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 91 [2020-10-28 15:39:55,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:39:55,382 INFO L225 Difference]: With dead ends: 1126 [2020-10-28 15:39:55,382 INFO L226 Difference]: Without dead ends: 1108 [2020-10-28 15:39:55,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2020-10-28 15:39:55,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-10-28 15:39:55,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 595. [2020-10-28 15:39:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-28 15:39:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 940 transitions. [2020-10-28 15:39:55,594 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 940 transitions. Word has length 91 [2020-10-28 15:39:55,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:39:55,594 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 940 transitions. [2020-10-28 15:39:55,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:39:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 940 transitions. [2020-10-28 15:39:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 15:39:55,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:39:55,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:39:55,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 15:39:55,599 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-28 15:39:55,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:39:55,599 INFO L82 PathProgramCache]: Analyzing trace with hash -580193374, now seen corresponding path program 1 times [2020-10-28 15:39:55,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:39:55,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250717320] [2020-10-28 15:39:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:39:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:55,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:55,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:55,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:55,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:57,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:57,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:40:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:40:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:01,867 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:40:01,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:01,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:01,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:01,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:40:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:01,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:01,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:01,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:40:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:01,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:01,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:01,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:01,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:01,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:01,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:40:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:01,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:01,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:01,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:01,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:01,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:01,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:01,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:01,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:40:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:01,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:40:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:01,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:02,235 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:40:02,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:40:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:02,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:02,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:40:03,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:40:03,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,288 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:40:03,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:40:03,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:03,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-28 15:40:03,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:03,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:40:03,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:40:03,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:03,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:40:03,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:03,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:40:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:40:03,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:40:03,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:40:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:40:03,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:40:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:03,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:03,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:40:03,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:03,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:40:03,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:40:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 15:40:03,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 15:40:03,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 15:40:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:40:03,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:40:03,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:03,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:03,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:03,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:40:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:40:03,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:03,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:03,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:03,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:03,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:03,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:03,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:40:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:03,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:03,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:03,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:03,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:03,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:03,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:03,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:40:03,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250717320] [2020-10-28 15:40:03,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:40:03,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 15:40:03,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408995867] [2020-10-28 15:40:03,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 15:40:03,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:40:03,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 15:40:03,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 15:40:03,787 INFO L87 Difference]: Start difference. First operand 595 states and 940 transitions. Second operand 9 states. [2020-10-28 15:40:06,457 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-28 15:40:07,692 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:40:29,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:40:29,166 INFO L93 Difference]: Finished difference Result 1560 states and 2685 transitions. [2020-10-28 15:40:29,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 15:40:29,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-10-28 15:40:29,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:40:29,179 INFO L225 Difference]: With dead ends: 1560 [2020-10-28 15:40:29,180 INFO L226 Difference]: Without dead ends: 1048 [2020-10-28 15:40:29,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:40:29,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-10-28 15:40:29,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 595. [2020-10-28 15:40:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-28 15:40:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 935 transitions. [2020-10-28 15:40:29,379 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 935 transitions. Word has length 97 [2020-10-28 15:40:29,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:40:29,380 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 935 transitions. [2020-10-28 15:40:29,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 15:40:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 935 transitions. [2020-10-28 15:40:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 15:40:29,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:40:29,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:40:29,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 15:40:29,383 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-28 15:40:29,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:40:29,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1559287457, now seen corresponding path program 1 times [2020-10-28 15:40:29,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:40:29,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124081402] [2020-10-28 15:40:29,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:40:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:29,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:29,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:29,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:29,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:32,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:34,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:40:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:35,637 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:40:35,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:35,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:40:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:35,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:35,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:35,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:40:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:35,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:35,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:40:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:35,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:35,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:35,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:35,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:35,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:35,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:35,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:35,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:40:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:35,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:35,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:35,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:35,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:35,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:35,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:35,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:35,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:40:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:35,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:35,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:35,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:36,005 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 15:40:36,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:40:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:36,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:36,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:36,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking...