/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_spec13_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:26:16,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:26:16,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:26:16,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:26:16,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:26:16,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:26:16,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:26:16,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:26:16,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:26:16,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:26:16,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:26:16,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:26:16,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:26:16,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:26:16,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:26:16,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:26:16,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:26:16,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:26:16,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:26:16,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:26:16,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:26:16,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:26:16,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:26:16,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:26:16,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:26:16,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:26:16,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:26:16,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:26:16,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:26:16,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:26:16,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:26:16,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:26:16,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:26:16,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:26:16,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:26:16,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:26:16,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:26:16,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:26:16,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:26:16,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:26:16,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:26:16,889 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 15:26:16,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:26:16,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:26:16,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:26:16,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:26:16,940 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:26:16,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:26:16,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:26:16,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:26:16,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:26:16,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:26:16,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:26:16,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:26:16,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:26:16,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:26:16,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:26:16,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:26:16,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:26:16,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:26:16,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:26:16,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:26:16,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:26:16,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:26:16,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:26:16,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:26:16,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:26:16,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:26:16,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:26:16,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:26:16,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:26:16,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:26:17,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:26:17,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:26:17,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:26:17,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:26:17,421 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:26:17,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_productSimulator.cil.c [2020-10-28 15:26:17,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/613abb9b7/81550cca247a448c9f091a94e72d6b3f/FLAG0e07e7f9f [2020-10-28 15:26:18,273 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:26:18,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_productSimulator.cil.c [2020-10-28 15:26:18,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/613abb9b7/81550cca247a448c9f091a94e72d6b3f/FLAG0e07e7f9f [2020-10-28 15:26:18,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/613abb9b7/81550cca247a448c9f091a94e72d6b3f [2020-10-28 15:26:18,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:26:18,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:26:18,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:26:18,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:26:18,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:26:18,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:26:18" (1/1) ... [2020-10-28 15:26:18,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea8bca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:18, skipping insertion in model container [2020-10-28 15:26:18,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:26:18" (1/1) ... [2020-10-28 15:26:18,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:26:18,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:26:19,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:26:19,219 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:26:19,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:26:19,414 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:26:19,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19 WrapperNode [2020-10-28 15:26:19,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:26:19,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:26:19,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:26:19,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:26:19,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (1/1) ... [2020-10-28 15:26:19,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (1/1) ... [2020-10-28 15:26:19,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (1/1) ... [2020-10-28 15:26:19,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (1/1) ... [2020-10-28 15:26:19,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (1/1) ... [2020-10-28 15:26:19,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (1/1) ... [2020-10-28 15:26:19,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (1/1) ... [2020-10-28 15:26:19,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:26:19,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:26:19,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:26:19,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:26:19,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (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 15:26:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:26:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:26:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:26:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:26:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:26:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:26:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:26:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:26:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:26:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:26:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:26:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:26:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:26:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:26:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:26:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:26:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:26:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:26:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:26:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:26:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:26:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:26:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:26:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:26:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:26:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:26:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:26:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-28 15:26:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-28 15:26:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:26:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:26:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:26:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:26:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:26:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:26:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:26:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:26:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:26:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:26:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:26:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:26:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:26:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:26:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:26:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:26:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:26:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:26:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:26:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-28 15:26:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-28 15:26:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:26:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-28 15:26:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-28 15:26:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:26:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-28 15:26:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-28 15:26:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-28 15:26:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-28 15:26:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:26:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:26:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:26:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:26:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:26:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:26:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:26:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:26:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:26:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:26:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-28 15:26:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-28 15:26:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-28 15:26:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-28 15:26:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:26:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:26:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:26:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-28 15:26:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-28 15:26:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-28 15:26:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-28 15:26:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:26:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:26:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:26:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-28 15:26:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-28 15:26:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:26:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-28 15:26:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-28 15:26:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:26:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:26:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-28 15:26:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-28 15:26:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:26:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:26:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:26:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:26:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:26:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:26:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:26:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:26:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:26:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:26:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:26:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:26:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:26:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:26:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:26:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:26:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:26:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:26:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:26:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:26:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:26:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:26:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:26:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:26:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:26:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:26:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:26:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:26:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:26:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:26:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:26:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:26:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:26:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:26:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:26:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:26:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:26:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:26:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:26:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:26:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:26:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:26:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:26:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:26:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:26:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:26:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:26:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:26:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:26:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:26:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:26:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:26:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:26:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-28 15:26:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:26:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-28 15:26:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:26:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:26:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:26:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:26:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:26:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:26:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:26:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:26:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:26:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:26:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:26:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:26:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:26:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:26:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:26:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:26:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:26:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:26:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-28 15:26:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-28 15:26:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-28 15:26:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-28 15:26:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-28 15:26:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-28 15:26:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-28 15:26:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-28 15:26:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-28 15:26:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-28 15:26:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:26:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:26:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:26:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:26:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-28 15:26:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-28 15:26:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-28 15:26:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-28 15:26:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:26:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:26:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-28 15:26:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-28 15:26:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-28 15:26:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-28 15:26:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:26:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:26:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:26:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-28 15:26:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-28 15:26:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-28 15:26:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-28 15:26:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:26:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:26:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:26:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:26:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:26:22,688 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:26:22,689 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:26:22,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:26:22 BoogieIcfgContainer [2020-10-28 15:26:22,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:26:22,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:26:22,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:26:22,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:26:22,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:26:18" (1/3) ... [2020-10-28 15:26:22,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d83114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:26:22, skipping insertion in model container [2020-10-28 15:26:22,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:26:19" (2/3) ... [2020-10-28 15:26:22,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d83114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:26:22, skipping insertion in model container [2020-10-28 15:26:22,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:26:22" (3/3) ... [2020-10-28 15:26:22,704 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec13_productSimulator.cil.c [2020-10-28 15:26:22,721 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:26:22,728 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:26:22,741 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:26:22,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:26:22,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:26:22,786 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:26:22,786 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:26:22,786 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:26:22,786 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:26:22,786 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:26:22,787 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:26:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states. [2020-10-28 15:26:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 15:26:22,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:26:22,884 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:26:22,885 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 15:26:22,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:26:22,895 INFO L82 PathProgramCache]: Analyzing trace with hash -758060695, now seen corresponding path program 1 times [2020-10-28 15:26:22,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:26:22,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006184674] [2020-10-28 15:26:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:26:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:23,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:23,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:24,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:24,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:24,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:26,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:28,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:28,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-28 15:26:28,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:26:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-28 15:26:28,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:28,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:26:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-28 15:26:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:26:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 15:26:29,753 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-28 15:26:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:26:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:29,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 15:26:29,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:26:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:29,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:26:29,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:29,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:26:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 15:26:29,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:26:29,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:29,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:26:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:29,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:26:29,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:29,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:26:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:29,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:29,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:29,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:26:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:29,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:29,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:29,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:26:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:29,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:29,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:29,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 15:26:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:29,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:29,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:29,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 15:26:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:26:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:26:29,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:26:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:29,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:29,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:29,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:26:29,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:29,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:29,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:30,133 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:26:30,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:26:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:30,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:30,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:30,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:30,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:30,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:26:30,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:26:30,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-10-28 15:26:30,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:30,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:30,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:30,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:30,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:30,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:26:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:26:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:30,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:30,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:30,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:26:30,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:26:30,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:26:30,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:30,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:30,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:30,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:30,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:26:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:26:31,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:26:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:26:31,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:31,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:26:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:26:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:26:31,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:31,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:31,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 15:26:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:26:31,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:26:31,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-28 15:26:31,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:26:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:26:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:26:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:31,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:26:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:26:31,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:26:31,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:26:31,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-10-28 15:26:31,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:26:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:26:31,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:31,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 15:26:31,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:26:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:26:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:26:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:31,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:26:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:26:31,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:31,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 15:26:31,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:26:31,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:26:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:31,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 15:26:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:26:31,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:31,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:26:31,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:31,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 15:26:31,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:31,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:31,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:26:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:31,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:31,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:31,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:31,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:31,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:31,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:31,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:31,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:31,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:32,106 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 15:26:32,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 15:26:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:32,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:32,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:32,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:26:32,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:32,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:26:32,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:32,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:26:32,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:32,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:26:32,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:26:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:32,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:32,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:32,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:32,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:26:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:32,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:32,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 15:26:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:32,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:32,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:32,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:26:32,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:26:32,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 15:26:32,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:32,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:32,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:32,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:26:32,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:32,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:26:32,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 15:26:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:32,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:32,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:32,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:32,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:26:32,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:26:32,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:26:32,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:32,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:32,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:26:32,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:32,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:32,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-28 15:26:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:26:32,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:26:32,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:26:32,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:26:32,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:26:32,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:26:32,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:26:32,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:26:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:26:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:26:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:26:32,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:26:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-28 15:26:32,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006184674] [2020-10-28 15:26:32,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:26:32,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:26:32,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258886794] [2020-10-28 15:26:32,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:26:32,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:26:32,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:26:32,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:26:32,371 INFO L87 Difference]: Start difference. First operand 947 states. Second operand 11 states. [2020-10-28 15:26:33,709 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:26:34,143 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 15:26:34,724 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 15:26:36,553 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:26:38,823 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:26:39,308 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:26:39,690 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:26:52,568 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:26:53,929 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 432 [2020-10-28 15:27:02,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:27:02,982 INFO L93 Difference]: Finished difference Result 1874 states and 3108 transitions. [2020-10-28 15:27:02,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 15:27:02,989 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-28 15:27:02,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:27:03,028 INFO L225 Difference]: With dead ends: 1874 [2020-10-28 15:27:03,028 INFO L226 Difference]: Without dead ends: 1088 [2020-10-28 15:27:03,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=229, Invalid=527, Unknown=0, NotChecked=0, Total=756 [2020-10-28 15:27:03,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-28 15:27:03,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 825. [2020-10-28 15:27:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-28 15:27:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1287 transitions. [2020-10-28 15:27:03,473 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1287 transitions. Word has length 147 [2020-10-28 15:27:03,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:27:03,474 INFO L481 AbstractCegarLoop]: Abstraction has 825 states and 1287 transitions. [2020-10-28 15:27:03,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:27:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1287 transitions. [2020-10-28 15:27:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-28 15:27:03,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:27:03,480 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:27:03,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:27:03,481 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 15:27:03,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:27:03,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1591297627, now seen corresponding path program 1 times [2020-10-28 15:27:03,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:27:03,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106458509] [2020-10-28 15:27:03,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:27:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:03,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:03,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:03,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:03,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:04,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:05,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:08,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:08,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-28 15:27:08,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:27:08,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-10-28 15:27:08,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:08,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:27:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-28 15:27:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:27:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:27:10,022 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-28 15:27:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:27:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:10,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 15:27:10,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:27:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:10,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:27:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 15:27:10,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:27:10,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:27:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:10,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:27:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:10,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:27:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:10,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:27:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:10,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 15:27:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:10,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 15:27:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:27:10,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:27:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:27:10,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:27:10,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:27:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:27:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:27:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-28 15:27:10,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:27:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:10,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:27:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:27:10,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:27:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:27:10,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:27:10,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:27:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:10,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:10,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:10,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:10,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:10,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:10,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:10,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:10,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 15:27:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:10,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:10,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:27:11,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:27:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-28 15:27:11,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:27:11,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:27:11,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:27:11,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:27:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:11,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:27:11,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:27:11,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:27:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:27:11,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 15:27:11,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:27:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:27:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:27:11,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:27:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:11,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:27:11,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:27:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:27:11,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 15:27:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:27:11,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:11,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:27:11,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 15:27:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:27:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:11,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:11,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:11,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:11,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,821 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 15:27:11,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-28 15:27:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:27:11,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:27:11,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:27:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:27:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:11,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:11,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:27:11,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-28 15:27:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:27:11,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:27:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:27:11,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:27:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 15:27:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:27:11,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:27:11,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:27:11,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:27:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-28 15:27:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:11,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:11,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:11,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:11,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:11,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:11,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:27:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:11,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-28 15:27:11,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106458509] [2020-10-28 15:27:11,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:27:11,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:27:11,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708352719] [2020-10-28 15:27:11,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:27:11,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:27:11,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:27:11,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:27:11,956 INFO L87 Difference]: Start difference. First operand 825 states and 1287 transitions. Second operand 11 states. [2020-10-28 15:27:12,756 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:27:13,122 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 15:27:13,555 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 15:27:15,152 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:27:16,548 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 432 [2020-10-28 15:27:18,952 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:27:20,424 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:27:20,927 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:27:21,291 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:27:40,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:27:40,620 INFO L93 Difference]: Finished difference Result 1863 states and 3058 transitions. [2020-10-28 15:27:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 15:27:40,629 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2020-10-28 15:27:40,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:27:40,640 INFO L225 Difference]: With dead ends: 1863 [2020-10-28 15:27:40,640 INFO L226 Difference]: Without dead ends: 1132 [2020-10-28 15:27:40,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=229, Invalid=527, Unknown=0, NotChecked=0, Total=756 [2020-10-28 15:27:40,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2020-10-28 15:27:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 864. [2020-10-28 15:27:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2020-10-28 15:27:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1361 transitions. [2020-10-28 15:27:40,905 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1361 transitions. Word has length 149 [2020-10-28 15:27:40,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:27:40,906 INFO L481 AbstractCegarLoop]: Abstraction has 864 states and 1361 transitions. [2020-10-28 15:27:40,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:27:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1361 transitions. [2020-10-28 15:27:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-28 15:27:40,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:27:40,910 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:27:40,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:27:40,911 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 15:27:40,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:27:40,912 INFO L82 PathProgramCache]: Analyzing trace with hash 493849276, now seen corresponding path program 1 times [2020-10-28 15:27:40,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:27:40,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366847899] [2020-10-28 15:27:40,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:27:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:41,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:41,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:41,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:41,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:41,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:42,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:46,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:46,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 15:27:46,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:27:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 15:27:46,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:46,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:27:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-28 15:27:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:27:46,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,408 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-28 15:27:47,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:27:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:47,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 15:27:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:27:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:27:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 15:27:47,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:27:47,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:27:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:47,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:47,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:27:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:47,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:47,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:27:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:47,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:27:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 15:27:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:47,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 15:27:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:27:47,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:27:47,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:27:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:27:47,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:27:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:47,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:47,693 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:27:47,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:27:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:47,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:47,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:27:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:27:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-28 15:27:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:27:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:27:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:27:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:27:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:48,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:27:48,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:27:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:27:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:27:48,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:27:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:27:48,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:48,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:27:48,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:27:48,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:27:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:48,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:48,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:48,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 15:27:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:27:48,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:27:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-28 15:27:48,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 15:27:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:27:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:48,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:27:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:27:48,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:27:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:27:48,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:27:48,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:27:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:27:48,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:48,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:48,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 15:27:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 15:27:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:48,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:27:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:48,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:27:48,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:48,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:49,111 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 15:27:49,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 15:27:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:49,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:49,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:49,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:27:49,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:27:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:49,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:27:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:49,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:27:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:49,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:49,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:27:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:49,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:27:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 15:27:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:49,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:49,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:49,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:49,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:27:49,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:27:49,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:27:49,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:49,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:49,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:27:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:49,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 15:27:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:49,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:49,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:27:49,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:27:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:27:49,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:49,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:27:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:27:49,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 15:27:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:27:49,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:27:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:27:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:27:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:27:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 15:27:49,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366847899] [2020-10-28 15:27:49,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 15:27:49,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 15:27:49,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711241316] [2020-10-28 15:27:49,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:27:49,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:27:49,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:27:49,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:27:49,236 INFO L87 Difference]: Start difference. First operand 864 states and 1361 transitions. Second operand 11 states. [2020-10-28 15:27:50,060 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:27:50,425 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 15:27:50,834 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 15:27:52,310 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:27:53,662 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 432 [2020-10-28 15:27:55,598 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:27:56,078 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:27:56,452 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:28:08,243 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:28:17,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:28:17,045 INFO L93 Difference]: Finished difference Result 1959 states and 3233 transitions. [2020-10-28 15:28:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 15:28:17,046 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2020-10-28 15:28:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:28:17,058 INFO L225 Difference]: With dead ends: 1959 [2020-10-28 15:28:17,058 INFO L226 Difference]: Without dead ends: 1141 [2020-10-28 15:28:17,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2020-10-28 15:28:17,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2020-10-28 15:28:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 873. [2020-10-28 15:28:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2020-10-28 15:28:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1375 transitions. [2020-10-28 15:28:17,332 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1375 transitions. Word has length 150 [2020-10-28 15:28:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:28:17,332 INFO L481 AbstractCegarLoop]: Abstraction has 873 states and 1375 transitions. [2020-10-28 15:28:17,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:28:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1375 transitions. [2020-10-28 15:28:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-28 15:28:17,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:28:17,337 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:28:17,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:28:17,338 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 15:28:17,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:28:17,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1772072868, now seen corresponding path program 1 times [2020-10-28 15:28:17,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:28:17,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131972007] [2020-10-28 15:28:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:28:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:17,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:17,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:17,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:17,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:17,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:18,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:22,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:22,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 15:28:22,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:28:22,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-28 15:28:22,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:22,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:28:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-28 15:28:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:28:22,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,721 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-28 15:28:23,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:28:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:28:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:28:23,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:28:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:28:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:23,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:23,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:28:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:23,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:28:23,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:28:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:23,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:28:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:23,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 15:28:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:23,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:23,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 15:28:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:28:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:23,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:28:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:23,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:23,984 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:28:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:28:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:23,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:23,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:28:24,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:28:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-28 15:28:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:28:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:28:24,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:24,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:24,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:28:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:28:24,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:28:24,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:28:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:28:24,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:24,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:24,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:28:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 15:28:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:28:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-28 15:28:24,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:28:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:28:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:28:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:28:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:28:24,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:28:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:28:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:28:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:28:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:28:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:28:24,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:28:24,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 15:28:24,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:28:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:28:24,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:24,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:24,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 15:28:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:28:24,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:28:24,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 15:28:24,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:28:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:24,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:28:24,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:28:24,792 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 15:28:24,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 15:28:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:28:24,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:28:24,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:28:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:28:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:24,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:28:24,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:28:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 15:28:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:28:24,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:28:24,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:28:24,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:28:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 15:28:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 15:28:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:24,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:24,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:24,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:28:24,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:28:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:28:24,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:24,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:28:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:28:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:28:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:28:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 15:28:24,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131972007] [2020-10-28 15:28:24,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:28:24,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:28:24,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551908602] [2020-10-28 15:28:24,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:28:24,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:28:24,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:28:24,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:28:24,899 INFO L87 Difference]: Start difference. First operand 873 states and 1375 transitions. Second operand 11 states. [2020-10-28 15:28:25,561 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:28:25,961 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 15:28:26,465 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 15:28:27,950 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:28:29,230 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 432 [2020-10-28 15:28:31,501 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:28:32,106 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:28:32,570 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:28:32,934 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:28:53,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:28:53,328 INFO L93 Difference]: Finished difference Result 1975 states and 3258 transitions. [2020-10-28 15:28:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 15:28:53,329 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 152 [2020-10-28 15:28:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:28:53,340 INFO L225 Difference]: With dead ends: 1975 [2020-10-28 15:28:53,340 INFO L226 Difference]: Without dead ends: 1146 [2020-10-28 15:28:53,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2020-10-28 15:28:53,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2020-10-28 15:28:53,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 878. [2020-10-28 15:28:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-28 15:28:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1378 transitions. [2020-10-28 15:28:53,602 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1378 transitions. Word has length 152 [2020-10-28 15:28:53,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:28:53,603 INFO L481 AbstractCegarLoop]: Abstraction has 878 states and 1378 transitions. [2020-10-28 15:28:53,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 15:28:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1378 transitions. [2020-10-28 15:28:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-28 15:28:53,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:28:53,607 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:28:53,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:28:53,607 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 15:28:53,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:28:53,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1600150153, now seen corresponding path program 1 times [2020-10-28 15:28:53,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:28:53,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094851235] [2020-10-28 15:28:53,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:28:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:28:53,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:53,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:53,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:53,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:55,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:56,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:28:58,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:28:58,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:28:58,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,012 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-28 15:29:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 15:29:00,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:29:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:00,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:29:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:29:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:29:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:00,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:29:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:00,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 15:29:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:00,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 15:29:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:29:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,289 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:29:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:29:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:29:00,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:29:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-28 15:29:00,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:29:00,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:00,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:29:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:29:00,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:29:00,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:29:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:00,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:00,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:29:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 15:29:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 15:29:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:29:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:29:00,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:29:00,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:29:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:29:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:29:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:29:00,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 15:29:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:29:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:29:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 15:29:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:29:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:00,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:29:00,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:29:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:29:00,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-28 15:29:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:29:00,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:00,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 15:29:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:00,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:00,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:00,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:00,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:00,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:00,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:00,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:01,176 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 15:29:01,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 15:29:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:01,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:01,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:29:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:01,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:01,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:01,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:01,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:01,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:29:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 15:29:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:01,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:01,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:01,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:01,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:29:01,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:29:01,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:01,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:29:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:29:01,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 15:29:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:01,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:01,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 15:29:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:01,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:01,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:01,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:01,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:01,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:01,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:01,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:01,296 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-28 15:29:01,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094851235] [2020-10-28 15:29:01,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:29:01,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-28 15:29:01,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384561185] [2020-10-28 15:29:01,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 15:29:01,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:29:01,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 15:29:01,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-10-28 15:29:01,298 INFO L87 Difference]: Start difference. First operand 878 states and 1378 transitions. Second operand 16 states. [2020-10-28 15:29:02,211 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:29:02,619 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 15:29:03,214 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 15:29:04,978 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:29:06,334 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 432 [2020-10-28 15:29:07,957 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:29:10,779 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:29:12,114 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:29:13,516 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 430 [2020-10-28 15:29:14,705 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:29:15,205 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:29:15,615 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:29:43,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:29:43,992 INFO L93 Difference]: Finished difference Result 1915 states and 3145 transitions. [2020-10-28 15:29:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-28 15:29:43,994 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 153 [2020-10-28 15:29:43,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:29:44,004 INFO L225 Difference]: With dead ends: 1915 [2020-10-28 15:29:44,004 INFO L226 Difference]: Without dead ends: 1184 [2020-10-28 15:29:44,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=339, Invalid=1221, Unknown=0, NotChecked=0, Total=1560 [2020-10-28 15:29:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2020-10-28 15:29:44,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 887. [2020-10-28 15:29:44,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2020-10-28 15:29:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1392 transitions. [2020-10-28 15:29:44,260 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1392 transitions. Word has length 153 [2020-10-28 15:29:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:29:44,260 INFO L481 AbstractCegarLoop]: Abstraction has 887 states and 1392 transitions. [2020-10-28 15:29:44,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 15:29:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1392 transitions. [2020-10-28 15:29:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-28 15:29:44,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:29:44,265 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:29:44,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 15:29:44,265 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:29:44,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:29:44,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1081317000, now seen corresponding path program 1 times [2020-10-28 15:29:44,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:29:44,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113902311] [2020-10-28 15:29:44,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:29:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:44,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:44,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:44,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:44,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:46,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:47,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:48,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:49,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:49,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:29:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,744 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-28 15:29:50,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:29:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:50,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:50,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:29:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 15:29:50,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:29:50,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:50,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:50,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:29:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:29:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:50,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:50,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:29:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 15:29:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:50,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:50,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 15:29:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:29:50,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:50,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 15:29:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:50,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:50,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:50,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:29:50,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:50,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:50,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:50,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,041 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:29:51,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:29:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:29:51,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:29:51,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-28 15:29:51,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:51,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:29:51,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:51,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:51,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:51,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 15:29:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:29:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:51,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:29:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 15:29:51,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:29:51,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-28 15:29:51,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:29:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 15:29:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:29:51,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:29:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:29:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 15:29:51,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:51,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:29:51,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 15:29:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:29:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:29:51,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:51,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:51,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 15:29:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:29:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 15:29:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:29:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:51,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:51,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:51,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:51,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:51,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:51,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:51,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:51,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:51,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:51,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:51,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:52,001 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-28 15:29:52,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-28 15:29:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:52,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:52,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:52,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:29:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:52,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:52,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:52,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:29:52,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:52,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:29:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:52,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:52,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 15:29:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:52,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:52,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:29:52,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:52,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 15:29:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:52,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:52,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:52,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:52,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:29:52,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:29:52,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:29:52,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:52,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 15:29:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 15:29:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:29:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:29:52,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:29:52,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:29:52,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:29:52,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:29:52,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:29:52,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:29:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:29:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:29:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:29:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:29:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 15:29:52,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113902311] [2020-10-28 15:29:52,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:29:52,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 15:29:52,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32871135] [2020-10-28 15:29:52,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 15:29:52,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:29:52,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 15:29:52,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 15:29:52,128 INFO L87 Difference]: Start difference. First operand 887 states and 1392 transitions. Second operand 11 states. [2020-10-28 15:29:54,244 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:29:54,655 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 15:29:55,211 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 15:29:56,897 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-28 15:29:58,361 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 441 [2020-10-28 15:30:01,022 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 437 [2020-10-28 15:30:01,899 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 15:30:02,381 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:30:02,775 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 127