/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_spec9_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:47:08,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:47:08,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:47:08,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:47:08,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:47:08,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:47:08,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:47:08,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:47:08,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:47:08,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:47:08,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:47:08,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:47:08,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:47:08,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:47:08,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:47:08,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:47:08,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:47:08,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:47:08,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:47:08,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:47:08,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:47:08,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:47:08,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:47:08,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:47:08,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:47:08,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:47:08,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:47:08,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:47:08,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:47:08,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:47:08,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:47:08,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:47:08,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:47:08,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:47:08,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:47:08,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:47:08,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:47:08,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:47:08,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:47:08,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:47:08,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:47:08,892 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 15:47:08,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:47:08,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:47:08,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:47:08,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:47:08,926 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:47:08,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:47:08,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:47:08,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:47:08,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:47:08,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:47:08,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:47:08,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:47:08,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:47:08,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:47:08,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:47:08,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:47:08,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:47:08,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:47:08,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:47:08,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:47:08,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:47:08,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:47:08,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:47:08,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:47:08,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:47:08,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:47:08,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:47:08,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:47:08,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:47:08,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:47:09,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:47:09,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:47:09,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:47:09,403 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:47:09,404 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:47:09,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2020-10-28 15:47:09,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/218a25b4b/ef040aaf5e89434eb204c2455e8b2218/FLAGfd2e60bb8 [2020-10-28 15:47:10,232 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:47:10,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product11.cil.c [2020-10-28 15:47:10,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/218a25b4b/ef040aaf5e89434eb204c2455e8b2218/FLAGfd2e60bb8 [2020-10-28 15:47:10,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/218a25b4b/ef040aaf5e89434eb204c2455e8b2218 [2020-10-28 15:47:10,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:47:10,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:47:10,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:47:10,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:47:10,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:47:10,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:47:10" (1/1) ... [2020-10-28 15:47:10,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a582233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:10, skipping insertion in model container [2020-10-28 15:47:10,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:47:10" (1/1) ... [2020-10-28 15:47:10,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:47:10,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:47:11,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:47:11,212 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:47:11,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:47:11,420 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:47:11,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11 WrapperNode [2020-10-28 15:47:11,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:47:11,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:47:11,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:47:11,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:47:11,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (1/1) ... [2020-10-28 15:47:11,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (1/1) ... [2020-10-28 15:47:11,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (1/1) ... [2020-10-28 15:47:11,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (1/1) ... [2020-10-28 15:47:11,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (1/1) ... [2020-10-28 15:47:11,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (1/1) ... [2020-10-28 15:47:11,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (1/1) ... [2020-10-28 15:47:11,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:47:11,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:47:11,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:47:11,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:47:11,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (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 15:47:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:47:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:47:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:47:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:47:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:47:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:47:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:47:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:47:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:47:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:47:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:47:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:47:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:47:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:47:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:47:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:47:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:47:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:47:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:47:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:47:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:47:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:47:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:47:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:47:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:47:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:47:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:47:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:47:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:47:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-28 15:47:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-28 15:47:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-28 15:47:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-28 15:47:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:47:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:47:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:47:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:47:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:47:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:47:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:47:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:47:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:47:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:47:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:47:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:47:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:47:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:47:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:47:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:47:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:47:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:47:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:47:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:47:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:47:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:47:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:47:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:47:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:47:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:47:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:47:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:47:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:47:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:47:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:47:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:47:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:47:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:47:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-28 15:47:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-28 15:47:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:47:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:47:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:47:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:47:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:47:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:47:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:47:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:47:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:47:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:47:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:47:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:47:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:47:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:47:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:47:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:47:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:47:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:47:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:47:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:47:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:47:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:47:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:47:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:47:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:47:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:47:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:47:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:47:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:47:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:47:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:47:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:47:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:47:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:47:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:47:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:47:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:47:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:47:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:47:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:47:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-28 15:47:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-28 15:47:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:47:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:47:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:47:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:47:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:47:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:47:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:47:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:47:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:47:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:47:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:47:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:47:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:47:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:47:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:47:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:47:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:47:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:47:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:47:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:47:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:47:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:47:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:47:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:47:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:47:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-28 15:47:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-28 15:47:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:47:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:47:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:47:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:47:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:47:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:47:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:47:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:47:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:47:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:47:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:47:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:47:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:47:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-28 15:47:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-28 15:47:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:47:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:47:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:47:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:47:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:47:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:47:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:47:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:47:14,616 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:47:14,617 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:47:14,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:47:14 BoogieIcfgContainer [2020-10-28 15:47:14,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:47:14,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:47:14,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:47:14,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:47:14,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:47:10" (1/3) ... [2020-10-28 15:47:14,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11043341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:47:14, skipping insertion in model container [2020-10-28 15:47:14,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:47:11" (2/3) ... [2020-10-28 15:47:14,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11043341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:47:14, skipping insertion in model container [2020-10-28 15:47:14,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:47:14" (3/3) ... [2020-10-28 15:47:14,630 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product11.cil.c [2020-10-28 15:47:14,643 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:47:14,650 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:47:14,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:47:14,699 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:47:14,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:47:14,700 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:47:14,700 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:47:14,700 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:47:14,700 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:47:14,700 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:47:14,700 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:47:14,738 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states. [2020-10-28 15:47:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 15:47:14,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:47:14,770 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:47:14,770 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 15:47:14,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:47:14,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1262172224, now seen corresponding path program 1 times [2020-10-28 15:47:14,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:47:14,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961151551] [2020-10-28 15:47:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:47:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:15,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:16,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:18,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:20,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-28 15:47:20,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:47:20,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5122 [2020-10-28 15:47:20,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:20,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:20,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:47:20,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:47:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 15:47:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:47:21,862 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:47:21,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:47:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:22,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:22,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:22,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-28 15:47:22,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:22,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:22,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:22,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:22,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:47:22,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:22,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:47:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:22,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:22,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:22,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:47:22,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:22,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:47:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:47:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:22,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:47:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:22,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:47:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:22,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:47:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:22,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:22,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:22,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:47:22,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:22,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:22,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:22,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:47:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:22,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:22,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:22,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:22,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:47:22,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:22,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:47:22,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:22,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:47:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:22,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:22,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:22,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:47:22,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:22,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:22,508 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:47:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:47:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:22,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:23,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:27,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:27,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 15:47:27,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:47:27,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 15:47:27,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:27,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:47:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:47:27,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:27,699 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:47:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:47:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:27,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:27,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:27,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:27,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:28,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:28,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:47:28,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:47:28,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 596 [2020-10-28 15:47:28,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:28,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:28,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:47:28,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:47:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:28,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:28,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:28,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:28,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:47:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:47:28,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:28,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:28,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:47:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:28,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:28,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:28,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:47:28,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:47:28,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:28,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:47:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:47:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:47:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:47:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:28,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:28,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:28,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:28,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:28,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:47:28,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:28,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:28,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:47:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:47:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:28,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:29,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:29,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:32,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:32,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 15:47:32,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:47:32,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3905 [2020-10-28 15:47:32,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:32,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:32,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:32,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-28 15:47:32,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:32,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:32,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:32,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:32,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:33,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 15:47:35,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:47:35,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2731 [2020-10-28 15:47:35,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:47:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:47:35,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:47:35,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:35,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:35,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:35,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:47:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:35,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:35,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:47:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:47:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:47:35,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:47:35,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:47:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:47:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:35,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:35,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:47:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:35,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:35,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 15:47:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:47:35,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:47:35,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:47:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:47:35,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:47:35,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 15:47:35,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:35,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:47:35,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:35,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:47:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:35,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:35,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:35,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:35,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:47:35,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:35,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:47:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 15:47:35,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961151551] [2020-10-28 15:47:35,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:47:35,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:47:35,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353517520] [2020-10-28 15:47:35,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:47:35,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:47:35,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:47:35,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:47:35,662 INFO L87 Difference]: Start difference. First operand 760 states. Second operand 12 states. [2020-10-28 15:47:37,375 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:47:37,912 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:47:39,369 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:47:41,471 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:47:47,066 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 15:47:49,603 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:48:08,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:48:08,057 INFO L93 Difference]: Finished difference Result 1691 states and 3025 transitions. [2020-10-28 15:48:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 15:48:08,065 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-28 15:48:08,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:48:08,131 INFO L225 Difference]: With dead ends: 1691 [2020-10-28 15:48:08,132 INFO L226 Difference]: Without dead ends: 1126 [2020-10-28 15:48:08,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2020-10-28 15:48:08,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-28 15:48:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 597. [2020-10-28 15:48:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-28 15:48:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 950 transitions. [2020-10-28 15:48:08,561 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 950 transitions. Word has length 136 [2020-10-28 15:48:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:48:08,561 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 950 transitions. [2020-10-28 15:48:08,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:48:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 950 transitions. [2020-10-28 15:48:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 15:48:08,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:48:08,580 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:48:08,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:48:08,580 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 15:48:08,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:48:08,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1424226897, now seen corresponding path program 1 times [2020-10-28 15:48:08,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:48:08,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147444459] [2020-10-28 15:48:08,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:48:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:08,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:08,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:09,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:10,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:11,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:13,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:13,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-28 15:48:13,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:48:13,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 15:48:13,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:13,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:48:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:48:13,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 15:48:13,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:14,986 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:48:14,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:48:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:15,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:15,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:15,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-28 15:48:15,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:15,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:48:15,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:15,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:48:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:15,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:15,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:15,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:15,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:15,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:15,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:48:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:15,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:48:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:15,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:15,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:15,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:15,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:15,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:48:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:15,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:48:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:15,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:15,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:15,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:48:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:15,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:48:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:15,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:15,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:48:15,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:15,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:15,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:48:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:48:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:15,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:15,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:15,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:48:15,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:15,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:48:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:15,569 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:48:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:48:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:15,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:15,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:18,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:18,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:20,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:20,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 15:48:20,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:48:20,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 15:48:20,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:20,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:48:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:48:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:48:20,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:20,755 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:48:20,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:48:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:20,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:20,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:20,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:20,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:21,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:48:21,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:48:21,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-28 15:48:21,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:21,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:21,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:48:21,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:48:21,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:48:21,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:21,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:21,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:21,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:48:21,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:48:21,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:21,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:21,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:21,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:21,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:21,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:48:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:21,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:21,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:48:21,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:21,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 15:48:21,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:21,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:48:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:48:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:48:21,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:21,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:48:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:21,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:21,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:21,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:21,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:48:21,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:21,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:48:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:48:21,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:21,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:48:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:21,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:21,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:25,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:25,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 15:48:25,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:48:25,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3893 [2020-10-28 15:48:25,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:25,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 15:48:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:25,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:25,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:25,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:25,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 15:48:27,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:48:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2042 [2020-10-28 15:48:27,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:48:27,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:48:27,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:48:27,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:27,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:48:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:27,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:48:27,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:48:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:48:27,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:48:27,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:48:27,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:48:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:27,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:48:27,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 15:48:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:48:27,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:48:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:48:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:48:27,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:48:27,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 15:48:27,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:48:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:48:27,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:48:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:27,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:27,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:48:27,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:48:27,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:48:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:48:27,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:48:27,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:48:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:48:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:48:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:48:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:48:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 15:48:27,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147444459] [2020-10-28 15:48:27,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:48:27,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:48:27,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645255096] [2020-10-28 15:48:27,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:48:27,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:48:27,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:48:27,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:48:27,565 INFO L87 Difference]: Start difference. First operand 597 states and 950 transitions. Second operand 11 states. [2020-10-28 15:48:29,196 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:48:29,683 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:48:31,153 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:48:32,881 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:48:37,957 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 15:48:40,406 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:48:55,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:48:55,073 INFO L93 Difference]: Finished difference Result 1640 states and 2916 transitions. [2020-10-28 15:48:55,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 15:48:55,074 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-28 15:48:55,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:48:55,088 INFO L225 Difference]: With dead ends: 1640 [2020-10-28 15:48:55,088 INFO L226 Difference]: Without dead ends: 1126 [2020-10-28 15:48:55,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-28 15:48:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-28 15:48:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 597. [2020-10-28 15:48:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-28 15:48:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 945 transitions. [2020-10-28 15:48:55,343 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 945 transitions. Word has length 139 [2020-10-28 15:48:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:48:55,345 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 945 transitions. [2020-10-28 15:48:55,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:48:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 945 transitions. [2020-10-28 15:48:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-28 15:48:55,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:48:55,353 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:48:55,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:48:55,353 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 15:48:55,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:48:55,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1658815892, now seen corresponding path program 1 times [2020-10-28 15:48:55,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:48:55,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [402997134] [2020-10-28 15:48:55,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:48:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:48:55,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:55,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:55,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:55,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:59,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:48:59,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:00,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:00,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-28 15:49:00,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:49:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-28 15:49:00,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:00,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:49:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:49:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-28 15:49:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:01,692 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:49:01,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:49:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:01,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:49:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:49:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:01,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:01,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:01,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:01,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:01,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:01,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:49:01,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:01,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:49:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:01,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:01,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:01,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:01,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:01,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:01,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:49:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:01,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:49:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:01,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:01,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:01,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:01,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:01,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:01,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:01,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:49:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:49:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:01,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:01,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:01,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:01,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:49:01,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:01,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:49:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:01,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:01,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:01,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:01,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:01,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:49:01,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:01,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:49:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:02,200 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:49:02,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:49:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:02,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:02,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:02,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:04,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:04,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:05,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:07,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:07,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 15:49:07,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:49:07,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 15:49:07,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:07,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:07,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:49:07,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:49:07,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:49:07,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:07,374 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:49:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:49:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:07,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:07,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:08,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:49:08,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:49:08,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-28 15:49:08,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:08,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:49:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:49:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:49:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:08,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:08,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:08,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:08,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:49:08,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:49:08,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:08,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:08,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:08,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:49:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:08,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:08,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:49:08,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 15:49:08,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:08,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:49:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:49:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:49:08,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:08,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:49:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:08,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:08,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:08,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:08,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:49:08,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:08,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:49:08,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:08,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:49:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:08,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:08,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:11,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:11,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 15:49:11,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:49:11,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3569 [2020-10-28 15:49:11,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:11,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 15:49:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:11,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:11,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:11,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:11,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:12,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:13,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:13,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2070 [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:13,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:13,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:13,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:13,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:49:13,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:49:13,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:13,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:13,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:13,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:13,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:13,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:49:13,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:49:13,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:13,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:13,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:13,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:13,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:13,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:13,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:13,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:13,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:13,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:13,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:13,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:49:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:13,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:13,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:13,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:13,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:13,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:13,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:13,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:49:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:13,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:13,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:13,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:49:13,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:13,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:49:13,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:13,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:13,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:13,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:13,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:14,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:49:14,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:14,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:49:14,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:14,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:14,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:49:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:14,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:14,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:14,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:14,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:14,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:49:14,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:49:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:14,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:14,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:14,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:14,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:14,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:14,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:14,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:14,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:14,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:49:14,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 15:49:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:14,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:14,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:49:14,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:14,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:49:14,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:14,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:49:14,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:49:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:14,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:14,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:49:14,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:49:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:49:14,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:14,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:14,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:14,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:14,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:14,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:14,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:14,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:14,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:14,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:14,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:14,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:14,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:49:14,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:49:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:14,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:14,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:14,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:14,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:14,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:14,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:14,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:49:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 15:49:14,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [402997134] [2020-10-28 15:49:14,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:49:14,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:49:14,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384047929] [2020-10-28 15:49:14,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:49:14,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:49:14,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:49:14,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:49:14,301 INFO L87 Difference]: Start difference. First operand 597 states and 945 transitions. Second operand 11 states. [2020-10-28 15:49:16,333 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:49:16,809 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:49:18,289 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:49:19,979 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:49:25,040 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 15:49:27,414 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:49:42,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:49:42,103 INFO L93 Difference]: Finished difference Result 1640 states and 2911 transitions. [2020-10-28 15:49:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 15:49:42,104 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 140 [2020-10-28 15:49:42,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:49:42,117 INFO L225 Difference]: With dead ends: 1640 [2020-10-28 15:49:42,118 INFO L226 Difference]: Without dead ends: 1126 [2020-10-28 15:49:42,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-28 15:49:42,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-28 15:49:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 597. [2020-10-28 15:49:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-28 15:49:42,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 940 transitions. [2020-10-28 15:49:42,362 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 940 transitions. Word has length 140 [2020-10-28 15:49:42,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:49:42,363 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 940 transitions. [2020-10-28 15:49:42,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:49:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 940 transitions. [2020-10-28 15:49:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-28 15:49:42,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:49:42,368 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:49:42,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:49:42,368 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 15:49:42,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:49:42,369 INFO L82 PathProgramCache]: Analyzing trace with hash -147603572, now seen corresponding path program 1 times [2020-10-28 15:49:42,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:49:42,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361468921] [2020-10-28 15:49:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:49:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:42,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:42,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:42,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:42,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:42,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:45,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:46,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:47,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:47,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-28 15:49:47,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:49:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-28 15:49:47,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:47,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:49:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:49:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-28 15:49:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:48,664 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:49:48,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:49:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:48,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:48,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:48,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 15:49:48,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:48,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:49:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:48,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:49:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:49:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:49:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:49:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:48,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:49:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:48,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:48,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:48,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:48,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:48,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:48,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:49:48,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:48,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:49:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:48,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:49:48,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:48,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:49:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:48,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:48,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:48,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:48,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:49:48,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:48,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:49:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:49,206 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:49:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:49:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:49,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:49,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:49,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:49,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:49,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:49:54,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:49:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,390 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:49:54,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:49:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:49:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:49:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:49:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:54,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:49:54,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:49:54,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:54,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:49:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:49:54,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:49:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:54,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:54,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:54,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:54,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:49:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:49:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:54,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:49:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:54,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:54,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:55,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2967 [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 15:49:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:57,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:57,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:57,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:57,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:58,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 15:49:59,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:49:59,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1488 [2020-10-28 15:49:59,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:49:59,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:49:59,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:59,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:59,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:49:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:59,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:59,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:49:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:49:59,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:49:59,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:49:59,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:59,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:59,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:59,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:49:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:59,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:59,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 15:49:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:49:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:49:59,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:49:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:49:59,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:49:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:49:59,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:59,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:49:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:49:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:49:59,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:49:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:49:59,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:49:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:49:59,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:49:59,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:49:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:49:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:49:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:49:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:49:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 15:49:59,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361468921] [2020-10-28 15:49:59,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:49:59,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:49:59,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634185362] [2020-10-28 15:49:59,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:49:59,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:49:59,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:49:59,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:49:59,484 INFO L87 Difference]: Start difference. First operand 597 states and 940 transitions. Second operand 12 states. [2020-10-28 15:50:01,130 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:50:01,592 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:50:03,059 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:50:04,868 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:50:09,687 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-28 15:50:12,219 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:50:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:50:27,124 INFO L93 Difference]: Finished difference Result 1640 states and 2906 transitions. [2020-10-28 15:50:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 15:50:27,125 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2020-10-28 15:50:27,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:50:27,136 INFO L225 Difference]: With dead ends: 1640 [2020-10-28 15:50:27,136 INFO L226 Difference]: Without dead ends: 1126 [2020-10-28 15:50:27,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2020-10-28 15:50:27,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-28 15:50:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 597. [2020-10-28 15:50:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-28 15:50:27,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 935 transitions. [2020-10-28 15:50:27,398 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 935 transitions. Word has length 141 [2020-10-28 15:50:27,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:50:27,399 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 935 transitions. [2020-10-28 15:50:27,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:50:27,399 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 935 transitions. [2020-10-28 15:50:27,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-28 15:50:27,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:50:27,403 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:50:27,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:50:27,403 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 15:50:27,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:50:27,404 INFO L82 PathProgramCache]: Analyzing trace with hash -183476213, now seen corresponding path program 1 times [2020-10-28 15:50:27,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:50:27,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956657482] [2020-10-28 15:50:27,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:50:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:27,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:27,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:27,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:31,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:32,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:32,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:32,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-28 15:50:32,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:50:32,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 15:50:32,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:32,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:32,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:50:32,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:50:32,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-28 15:50:32,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:33,705 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:50:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:50:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:33,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:33,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:33,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:50:33,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-28 15:50:33,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:33,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:50:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:50:33,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:33,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:50:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:33,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:33,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:50:33,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:33,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:33,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:50:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:50:33,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:33,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:50:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:50:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:33,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:50:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:33,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:33,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:33,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:50:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:33,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:50:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:33,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:50:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:33,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:50:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:33,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:50:33,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:50:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:34,178 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-28 15:50:34,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:50:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:34,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:34,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:34,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:34,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:34,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:34,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:39,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 15:50:39,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:50:39,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 15:50:39,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:39,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:50:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 15:50:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:50:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:39,364 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:50:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:50:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:39,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:39,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:50:39,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:50:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 405 [2020-10-28 15:50:39,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:39,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:50:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:50:39,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:50:39,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:39,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:39,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:39,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:50:39,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:50:39,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:50:39,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:39,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:39,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:39,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:39,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:39,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:39,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:50:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:50:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:39,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:39,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:50:39,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:39,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:50:39,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:39,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:39,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:50:39,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:50:39,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:50:39,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 15:50:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:39,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:40,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:40,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:44,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:44,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 15:50:44,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:50:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4324 [2020-10-28 15:50:44,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:44,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 15:50:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:44,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:44,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 15:50:45,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:50:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1469 [2020-10-28 15:50:45,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:50:45,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:50:45,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:50:45,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:45,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:50:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:50:45,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:50:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:50:45,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:50:45,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:50:45,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:45,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:50:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:50:45,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:45,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 15:50:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:50:45,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:50:45,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:50:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:50:45,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:50:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:50:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:50:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:50:45,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:45,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:50:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:50:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:50:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:50:45,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:50:45,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:50:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:50:45,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:50:45,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:50:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:50:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:50:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:50:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:50:45,999 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 15:50:46,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956657482] [2020-10-28 15:50:46,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:50:46,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 15:50:46,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864490842] [2020-10-28 15:50:46,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 15:50:46,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:50:46,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 15:50:46,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-28 15:50:46,002 INFO L87 Difference]: Start difference. First operand 597 states and 935 transitions. Second operand 13 states. [2020-10-28 15:50:47,713 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:50:48,197 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:50:49,708 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 412