/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.4 --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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:47:20,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:47:20,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:47:20,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:47:20,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:47:20,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:47:20,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:47:20,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:47:20,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:47:20,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:47:20,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:47:20,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:47:20,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:47:20,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:47:20,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:47:20,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:47:20,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:47:20,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:47:20,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:47:20,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:47:20,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:47:20,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:47:20,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:47:20,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:47:20,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:47:20,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:47:20,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:47:20,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:47:20,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:47:20,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:47:20,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:47:20,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:47:20,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:47:20,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:47:20,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:47:20,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:47:20,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:47:20,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:47:20,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:47:20,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:47:20,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:47:20,761 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 [2020-10-14 05:47:20,805 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:47:20,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:47:20,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:47:20,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:47:20,808 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:47:20,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:47:20,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:47:20,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:47:20,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:47:20,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:47:20,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:47:20,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:47:20,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:47:20,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:47:20,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:47:20,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:47:20,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:47:20,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:47:20,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:47:20,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:47:20,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:47:20,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:47:20,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:47:20,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:47:20,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:47:20,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:47:20,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:47:20,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:47:20,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:47:20,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:47:21,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:47:21,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:47:21,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:47:21,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:47:21,126 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:47:21,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c [2020-10-14 05:47:21,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbc4c4f63/61757f627e8043d3b6321062e18ff1b1/FLAG3549cb68b [2020-10-14 05:47:21,860 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:47:21,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c [2020-10-14 05:47:21,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbc4c4f63/61757f627e8043d3b6321062e18ff1b1/FLAG3549cb68b [2020-10-14 05:47:22,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbc4c4f63/61757f627e8043d3b6321062e18ff1b1 [2020-10-14 05:47:22,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:47:22,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:47:22,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:47:22,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:47:22,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:47:22,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:47:22" (1/1) ... [2020-10-14 05:47:22,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91f500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:22, skipping insertion in model container [2020-10-14 05:47:22,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:47:22" (1/1) ... [2020-10-14 05:47:22,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:47:22,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:47:22,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:47:22,859 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:47:23,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:47:23,105 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:47:23,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23 WrapperNode [2020-10-14 05:47:23,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:47:23,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:47:23,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:47:23,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:47:23,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (1/1) ... [2020-10-14 05:47:23,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (1/1) ... [2020-10-14 05:47:23,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (1/1) ... [2020-10-14 05:47:23,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (1/1) ... [2020-10-14 05:47:23,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (1/1) ... [2020-10-14 05:47:23,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (1/1) ... [2020-10-14 05:47:23,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (1/1) ... [2020-10-14 05:47:23,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:47:23,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:47:23,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:47:23,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:47:23,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (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 [2020-10-14 05:47:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:47:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:47:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:47:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:47:23,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:47:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:47:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:47:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:47:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:47:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:47:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:47:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-14 05:47:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:47:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:47:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:47:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:47:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:47:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:47:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:47:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:47:23,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:47:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:47:23,427 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:47:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:47:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:47:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:47:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:47:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:47:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:47:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:47:23,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:47:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:47:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:47:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:47:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:47:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:47:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:47:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:47:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:47:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:47:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:47:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:47:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:47:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:47:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:47:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:47:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:47:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:47:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:47:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:47:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:47:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:47:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:47:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:47:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:47:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:47:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:47:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:47:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:47:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:47:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:47:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:47:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:47:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:47:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:47:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:47:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-14 05:47:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:47:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-14 05:47:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:47:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:47:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 05:47:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 05:47:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:47:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:47:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:47:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:47:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:47:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:47:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:47:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:47:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:47:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:47:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:47:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:47:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:47:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:47:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:47:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:47:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:47:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:47:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:47:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:47:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:47:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:47:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:47:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:47:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:47:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:47:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:47:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:47:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:47:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:47:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:47:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:47:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:47:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:47:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:47:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 05:47:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 05:47:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-14 05:47:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:47:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:47:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:47:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:47:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:47:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:47:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:47:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:47:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:47:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:47:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:47:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:47:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:47:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:47:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:47:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:47:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:47:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:47:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:47:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:47:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:47:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:47:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:47:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:47:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:47:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:47:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:47:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:47:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:47:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:47:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:47:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:47:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:47:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:47:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:47:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:47:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:47:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:47:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:47:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:47:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:47:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:47:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:47:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:47:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:47:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:47:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:47:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:47:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:47:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:47:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:47:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:47:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-14 05:47:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-14 05:47:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:47:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:47:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:47:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:47:25,785 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:47:25,785 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:47:25,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:47:25 BoogieIcfgContainer [2020-10-14 05:47:25,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:47:25,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:47:25,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:47:25,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:47:25,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:47:22" (1/3) ... [2020-10-14 05:47:25,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d649d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:47:25, skipping insertion in model container [2020-10-14 05:47:25,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:23" (2/3) ... [2020-10-14 05:47:25,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d649d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:47:25, skipping insertion in model container [2020-10-14 05:47:25,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:47:25" (3/3) ... [2020-10-14 05:47:25,803 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product20.cil.c [2020-10-14 05:47:25,814 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:47:25,823 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:47:25,838 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:47:25,865 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:47:25,865 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:47:25,865 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:47:25,865 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:47:25,865 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:47:25,865 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:47:25,866 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:47:25,866 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:47:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states. [2020-10-14 05:47:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 05:47:25,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:47:25,915 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:47:25,915 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:47:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:47:25,922 INFO L82 PathProgramCache]: Analyzing trace with hash -570931917, now seen corresponding path program 1 times [2020-10-14 05:47:25,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:47:25,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472823055] [2020-10-14 05:47:25,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:47:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:26,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:26,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:26,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:30,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:31,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:31,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 05:47:31,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:47:31,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 05:47:31,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:31,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:47:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:47:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 05:47:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:47:32,523 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:47:32,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:47:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:32,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:32,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:32,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:47:32,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:32,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 05:47:32,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:32,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:32,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:47:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:47:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:32,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:47:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:32,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:32,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:32,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:47:32,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:32,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:47:32,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:32,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:47:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:47:32,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:32,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:47:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:32,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:32,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:47:32,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:47:32,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:32,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:32,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:47:32,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:32,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:47:32,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:47:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:47:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:32,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:32,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:32,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:47:32,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:32,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:47:32,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:32,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:47:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:32,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:47:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 05:47:32,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:47:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:32,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:32,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:47:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:47:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:32,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:47:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:47:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:47:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:33,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:33,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:33,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:33,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:47:34,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:47:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-10-14 05:47:34,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:47:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:47:34,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:47:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:47:34,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:47:34,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:47:34,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:47:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:34,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:47:34,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:47:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:47:34,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:47:34,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:47:34,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:47:34,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:34,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:47:34,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:47:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:47:34,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:34,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:47:34,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:47:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:47:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:47:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:47:34,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:34,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:47:34,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:47:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:47:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:47:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:47:34,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:47:34,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:47:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:47:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:47:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:47:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:47:34,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:47:34,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:47:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:47:34,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:47:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:47:34,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 05:47:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:47:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:47:34,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:47:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:47:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:47:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 05:47:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:47:34,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:34,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:47:34,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:47:34,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:47:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:47:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:47:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 05:47:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:34,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:34,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:47:34,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:47:34,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:47:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:47:34,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:47:34,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:47:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:47:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:47:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:47:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:47:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:47:34,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472823055] [2020-10-14 05:47:34,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:47:34,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:47:34,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344041113] [2020-10-14 05:47:34,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:47:34,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:47:34,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:47:34,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:47:34,357 INFO L87 Difference]: Start difference. First operand 751 states. Second operand 9 states. [2020-10-14 05:47:36,386 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-14 05:47:38,944 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 05:47:39,675 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-14 05:47:44,543 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 05:47:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:47:55,035 INFO L93 Difference]: Finished difference Result 1436 states and 2437 transitions. [2020-10-14 05:47:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:47:55,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-10-14 05:47:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:47:55,082 INFO L225 Difference]: With dead ends: 1436 [2020-10-14 05:47:55,082 INFO L226 Difference]: Without dead ends: 831 [2020-10-14 05:47:55,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:47:55,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-10-14 05:47:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 596. [2020-10-14 05:47:55,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-14 05:47:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 942 transitions. [2020-10-14 05:47:55,349 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 942 transitions. Word has length 87 [2020-10-14 05:47:55,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:47:55,350 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 942 transitions. [2020-10-14 05:47:55,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:47:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 942 transitions. [2020-10-14 05:47:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 05:47:55,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:47:55,356 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:47:55,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:47:55,357 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:47:55,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:47:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash -595961686, now seen corresponding path program 1 times [2020-10-14 05:47:55,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:47:55,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39549870] [2020-10-14 05:47:55,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:47:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:47:55,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:55,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:55,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:55,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:58,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:58,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:47:59,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:00,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:00,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 05:48:00,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:48:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 05:48:00,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:00,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:48:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 05:48:00,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:01,229 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:48:01,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:48:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:01,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:01,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:01,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:01,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 05:48:01,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:01,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 05:48:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:01,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:48:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:01,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:01,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:01,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:01,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:01,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:48:01,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:01,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:48:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:01,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:01,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:01,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:01,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:01,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:01,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:01,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:48:01,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:01,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:48:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:01,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:01,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:01,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:01,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:01,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:01,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:01,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:01,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:48:01,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:01,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:48:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:01,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:01,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:01,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:01,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:01,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:01,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:48:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:01,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:48:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:01,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:01,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:48:02,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:48:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-14 05:48:02,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 05:48:02,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:02,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:48:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:02,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:48:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:48:02,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:48:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 05:48:02,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:02,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:02,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:48:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:02,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:02,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:02,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:02,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:48:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:02,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:02,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:48:02,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:48:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:48:02,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:02,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:48:02,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:48:02,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:48:02,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:48:02,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:48:02,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:02,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:48:02,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:48:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:48:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:48:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:02,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 05:48:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:02,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:02,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:02,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:02,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:02,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:02,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:02,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 05:48:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:02,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:02,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:02,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:02,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:02,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:02,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:02,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:48:02,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39549870] [2020-10-14 05:48:02,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:48:02,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:48:02,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058274990] [2020-10-14 05:48:02,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:48:02,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:48:02,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:48:02,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:48:02,311 INFO L87 Difference]: Start difference. First operand 596 states and 942 transitions. Second operand 9 states. [2020-10-14 05:48:04,147 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-14 05:48:06,328 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 05:48:07,049 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-14 05:48:11,624 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:48:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:48:21,692 INFO L93 Difference]: Finished difference Result 1403 states and 2365 transitions. [2020-10-14 05:48:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:48:21,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-14 05:48:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:48:21,705 INFO L225 Difference]: With dead ends: 1403 [2020-10-14 05:48:21,706 INFO L226 Difference]: Without dead ends: 839 [2020-10-14 05:48:21,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:48:21,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2020-10-14 05:48:21,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 604. [2020-10-14 05:48:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-14 05:48:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 955 transitions. [2020-10-14 05:48:21,865 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 955 transitions. Word has length 88 [2020-10-14 05:48:21,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:48:21,866 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 955 transitions. [2020-10-14 05:48:21,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:48:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 955 transitions. [2020-10-14 05:48:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 05:48:21,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:48:21,870 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:48:21,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:48:21,871 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:48:21,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:48:21,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1395753211, now seen corresponding path program 1 times [2020-10-14 05:48:21,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:48:21,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079473594] [2020-10-14 05:48:21,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:48:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:21,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:22,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:22,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:22,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:24,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:25,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:26,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:26,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 05:48:26,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:48:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 05:48:26,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:26,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:48:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:48:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:48:26,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:27,687 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:48:27,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:48:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:27,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:27,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:27,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:27,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:48:27,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:27,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:27,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:27,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:48:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:27,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:27,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:27,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:27,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:27,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:27,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:27,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:48:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:27,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:27,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:27,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:27,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:27,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:27,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:27,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:48:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:27,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:27,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:27,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:27,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:27,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:48:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:27,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:27,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:27,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:27,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:27,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:48:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:27,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:27,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:48:28,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:48:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-14 05:48:28,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:48:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:48:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:48:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:28,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:48:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:28,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:28,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:48:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:48:28,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:48:28,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:48:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:48:28,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:48:28,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:48:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:28,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:28,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:48:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 05:48:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:28,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:28,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:28,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:48:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:48:28,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:48:28,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:28,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:28,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:28,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:28,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 05:48:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:28,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:28,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:28,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 05:48:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:28,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 05:48:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:28,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:28,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:28,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:28,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:28,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:28,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:28,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:48:28,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079473594] [2020-10-14 05:48:28,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:48:28,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:48:28,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728298544] [2020-10-14 05:48:28,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:48:28,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:48:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:48:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:48:28,318 INFO L87 Difference]: Start difference. First operand 604 states and 955 transitions. Second operand 7 states. [2020-10-14 05:48:29,649 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:48:37,519 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:48:38,221 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:48:43,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:48:43,331 INFO L93 Difference]: Finished difference Result 1459 states and 2430 transitions. [2020-10-14 05:48:43,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:48:43,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-14 05:48:43,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:48:43,341 INFO L225 Difference]: With dead ends: 1459 [2020-10-14 05:48:43,341 INFO L226 Difference]: Without dead ends: 883 [2020-10-14 05:48:43,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:48:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-14 05:48:43,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 643. [2020-10-14 05:48:43,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-14 05:48:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1029 transitions. [2020-10-14 05:48:43,493 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1029 transitions. Word has length 91 [2020-10-14 05:48:43,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:48:43,494 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 1029 transitions. [2020-10-14 05:48:43,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:48:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1029 transitions. [2020-10-14 05:48:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 05:48:43,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:48:43,497 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:48:43,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:48:43,497 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:48:43,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:48:43,497 INFO L82 PathProgramCache]: Analyzing trace with hash -298096291, now seen corresponding path program 1 times [2020-10-14 05:48:43,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:48:43,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486167913] [2020-10-14 05:48:43,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:48:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:43,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:43,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:43,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:48,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:48,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 05:48:48,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:48:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 05:48:48,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:48,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:48:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:48:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:48:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,466 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:48:49,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:48:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:49,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:48:49,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:49,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:48:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:49,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:49,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:48:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:49,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:49,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:48:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:49,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:48:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:48:49,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:48:49,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:48:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 05:48:49,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:48:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 05:48:49,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:48:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:48:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:48:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:49,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:48:49,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:49,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:48:49,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:48:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:48:49,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:48:49,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:48:49,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:48:49,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:48:49,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:48:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:48:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:49,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:48:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:48:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:48:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:48:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:48:49,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:48:49,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:48:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:48:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:48:49,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:49,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:48:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 05:48:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:49,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:49,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 05:48:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:49,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:49,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:49,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 05:48:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:48:49,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:48:49,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:48:49,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:48:49,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:48:49,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:48:49,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:48:49,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:48:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:48:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:48:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:48:49,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:48:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:48:49,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486167913] [2020-10-14 05:48:49,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:48:49,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:48:49,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876877367] [2020-10-14 05:48:49,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:48:49,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:48:49,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:48:49,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:48:49,986 INFO L87 Difference]: Start difference. First operand 643 states and 1029 transitions. Second operand 7 states. [2020-10-14 05:48:51,434 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:48:59,731 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:49:00,480 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:49:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:49:06,113 INFO L93 Difference]: Finished difference Result 1464 states and 2435 transitions. [2020-10-14 05:49:06,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:49:06,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-14 05:49:06,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:49:06,122 INFO L225 Difference]: With dead ends: 1464 [2020-10-14 05:49:06,122 INFO L226 Difference]: Without dead ends: 883 [2020-10-14 05:49:06,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:49:06,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-14 05:49:06,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 643. [2020-10-14 05:49:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-14 05:49:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1024 transitions. [2020-10-14 05:49:06,308 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1024 transitions. Word has length 92 [2020-10-14 05:49:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:49:06,308 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 1024 transitions. [2020-10-14 05:49:06,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:49:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1024 transitions. [2020-10-14 05:49:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 05:49:06,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:49:06,310 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:49:06,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:49:06,311 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:49:06,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:49:06,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1884469824, now seen corresponding path program 1 times [2020-10-14 05:49:06,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:49:06,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183524249] [2020-10-14 05:49:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:49:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:06,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:06,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:06,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:10,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:11,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:11,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-14 05:49:11,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:49:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 05:49:11,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:11,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:49:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:49:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:49:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,244 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:49:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:49:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:12,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 05:49:12,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:49:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:12,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:12,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:12,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:49:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:12,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:12,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:49:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:12,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:12,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:49:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:12,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:12,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:49:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 05:49:12,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:49:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-14 05:49:12,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:49:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:49:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:49:12,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:12,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:49:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:12,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:49:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:49:12,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 05:49:12,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:49:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:49:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:49:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:49:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:12,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:12,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:49:12,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:12,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 05:49:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:12,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:12,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:12,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:49:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:49:12,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:49:12,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:49:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:49:12,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:12,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:12,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 05:49:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:12,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:12,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 05:49:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:12,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:12,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 05:49:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:12,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:12,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:12,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:12,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:12,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:12,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:12,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:12,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:49:12,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183524249] [2020-10-14 05:49:12,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:49:12,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:49:12,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573554344] [2020-10-14 05:49:12,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:49:12,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:49:12,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:49:12,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:49:12,999 INFO L87 Difference]: Start difference. First operand 643 states and 1024 transitions. Second operand 7 states. [2020-10-14 05:49:14,670 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:49:23,437 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:49:24,134 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:49:30,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:49:30,613 INFO L93 Difference]: Finished difference Result 1464 states and 2430 transitions. [2020-10-14 05:49:30,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:49:30,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-14 05:49:30,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:49:30,625 INFO L225 Difference]: With dead ends: 1464 [2020-10-14 05:49:30,625 INFO L226 Difference]: Without dead ends: 883 [2020-10-14 05:49:30,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:49:30,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-14 05:49:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 643. [2020-10-14 05:49:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-14 05:49:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1019 transitions. [2020-10-14 05:49:30,776 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1019 transitions. Word has length 93 [2020-10-14 05:49:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:49:30,776 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 1019 transitions. [2020-10-14 05:49:30,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:49:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1019 transitions. [2020-10-14 05:49:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 05:49:30,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:49:30,779 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:49:30,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:49:30,779 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:49:30,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:49:30,779 INFO L82 PathProgramCache]: Analyzing trace with hash -318131518, now seen corresponding path program 1 times [2020-10-14 05:49:30,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:49:30,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873322547] [2020-10-14 05:49:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:49:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:30,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:30,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:32,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:35,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:35,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 05:49:35,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:49:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 05:49:35,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:35,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:49:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:49:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:49:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:36,550 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:49:36,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:49:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:36,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:36,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:36,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 05:49:36,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:36,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:36,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:36,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:49:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:36,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:36,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:36,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:36,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:36,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:36,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:36,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:36,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:49:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:36,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:36,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:36,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:36,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:36,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:36,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:49:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:36,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:36,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:36,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:36,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:36,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:36,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:36,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:36,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:49:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:36,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:36,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:36,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:36,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:36,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:36,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:36,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:36,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:49:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:36,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:36,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 05:49:37,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:49:37,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-14 05:49:37,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:49:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:49:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:49:37,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:49:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:49:37,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:49:37,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:49:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:49:37,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:49:37,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:49:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:37,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:49:37,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:49:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:49:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 05:49:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:37,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:37,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:49:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:49:37,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:49:37,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:37,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:49:37,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:37,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:49:37,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:37,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 05:49:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:37,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:37,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:37,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:37,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 05:49:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 05:49:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:37,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:37,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:49:37,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873322547] [2020-10-14 05:49:37,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:49:37,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:49:37,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135727371] [2020-10-14 05:49:37,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:49:37,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:49:37,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:49:37,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:49:37,178 INFO L87 Difference]: Start difference. First operand 643 states and 1019 transitions. Second operand 7 states. [2020-10-14 05:49:38,591 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:49:46,849 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:49:47,594 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:49:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:49:53,046 INFO L93 Difference]: Finished difference Result 1464 states and 2425 transitions. [2020-10-14 05:49:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:49:53,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-14 05:49:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:49:53,054 INFO L225 Difference]: With dead ends: 1464 [2020-10-14 05:49:53,054 INFO L226 Difference]: Without dead ends: 883 [2020-10-14 05:49:53,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:49:53,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-14 05:49:53,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 643. [2020-10-14 05:49:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-14 05:49:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1014 transitions. [2020-10-14 05:49:53,193 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1014 transitions. Word has length 94 [2020-10-14 05:49:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:49:53,194 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 1014 transitions. [2020-10-14 05:49:53,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:49:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1014 transitions. [2020-10-14 05:49:53,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 05:49:53,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:49:53,196 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:49:53,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:49:53,196 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:49:53,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:49:53,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1581264803, now seen corresponding path program 1 times [2020-10-14 05:49:53,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:49:53,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183536714] [2020-10-14 05:49:53,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:49:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:53,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:53,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:53,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:57,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:58,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:58,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 05:49:58,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:49:58,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 05:49:58,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:58,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-14 05:49:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:49:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:58,932 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:49:58,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:49:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:58,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:58,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:58,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:58,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:49:58,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:58,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:49:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:58,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:58,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:49:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:58,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:58,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:58,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:58,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:58,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:58,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:58,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:58,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:49:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:58,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:58,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:58,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:49:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:58,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:58,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:58,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:49:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:58,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:58,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:58,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:49:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 05:49:59,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:49:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-14 05:49:59,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:49:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:49:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:59,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:59,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:59,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:49:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:49:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:49:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:49:59,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:49:59,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:49:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:49:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:49:59,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 05:49:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:59,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:49:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:49:59,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:49:59,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:49:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:49:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:49:59,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:59,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:59,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:49:59,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:49:59,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 05:49:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:59,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:59,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 05:49:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:59,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:49:59,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:59,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:59,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:59,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 05:49:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:49:59,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:49:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:49:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:49:59,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:49:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:49:59,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:49:59,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:49:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:49:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:49:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:49:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:49:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:49:59,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183536714] [2020-10-14 05:49:59,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:49:59,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:49:59,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347759933] [2020-10-14 05:49:59,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:49:59,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:49:59,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:49:59,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:49:59,709 INFO L87 Difference]: Start difference. First operand 643 states and 1014 transitions. Second operand 8 states. [2020-10-14 05:50:01,253 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 05:50:02,053 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 05:50:17,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:50:17,208 INFO L93 Difference]: Finished difference Result 1479 states and 2452 transitions. [2020-10-14 05:50:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:50:17,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-14 05:50:17,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:50:17,215 INFO L225 Difference]: With dead ends: 1479 [2020-10-14 05:50:17,216 INFO L226 Difference]: Without dead ends: 901 [2020-10-14 05:50:17,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:50:17,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-14 05:50:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 647. [2020-10-14 05:50:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-10-14 05:50:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1021 transitions. [2020-10-14 05:50:17,395 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1021 transitions. Word has length 94 [2020-10-14 05:50:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:50:17,396 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 1021 transitions. [2020-10-14 05:50:17,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:50:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1021 transitions. [2020-10-14 05:50:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 05:50:17,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:50:17,398 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:50:17,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 05:50:17,398 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:50:17,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:50:17,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1021970555, now seen corresponding path program 1 times [2020-10-14 05:50:17,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:50:17,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732398223] [2020-10-14 05:50:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:50:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:17,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:17,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:17,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:17,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:19,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:20,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:22,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:22,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 05:50:22,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:50:22,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:50:22,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:22,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 05:50:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:50:22,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,196 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:50:23,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:50:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:23,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 05:50:23,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:50:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:23,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:23,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:50:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:23,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:23,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:50:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:23,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:23,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:23,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:50:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:23,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:50:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:50:23,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:50:23,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-14 05:50:23,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:23,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:50:23,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:50:23,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:50:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 05:50:23,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:50:23,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:50:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:50:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 05:50:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:50:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:23,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:23,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:50:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:50:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:50:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:23,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:23,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 05:50:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:50:23,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:50:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:50:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:50:23,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:23,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:50:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 05:50:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:23,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:23,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 05:50:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 05:50:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:23,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:23,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:23,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:23,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:23,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:23,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:23,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:50:23,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732398223] [2020-10-14 05:50:23,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:50:23,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:50:23,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592128117] [2020-10-14 05:50:23,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:50:23,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:50:23,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:50:23,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:50:23,746 INFO L87 Difference]: Start difference. First operand 647 states and 1021 transitions. Second operand 7 states. [2020-10-14 05:50:25,314 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:50:33,781 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:50:34,489 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-14 05:50:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:50:41,205 INFO L93 Difference]: Finished difference Result 1474 states and 2445 transitions. [2020-10-14 05:50:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:50:41,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2020-10-14 05:50:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:50:41,213 INFO L225 Difference]: With dead ends: 1474 [2020-10-14 05:50:41,213 INFO L226 Difference]: Without dead ends: 889 [2020-10-14 05:50:41,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:50:41,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2020-10-14 05:50:41,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 647. [2020-10-14 05:50:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-10-14 05:50:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1016 transitions. [2020-10-14 05:50:41,376 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1016 transitions. Word has length 95 [2020-10-14 05:50:41,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:50:41,376 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 1016 transitions. [2020-10-14 05:50:41,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:50:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1016 transitions. [2020-10-14 05:50:41,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 05:50:41,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:50:41,378 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:50:41,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 05:50:41,378 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:50:41,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:50:41,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1210823660, now seen corresponding path program 1 times [2020-10-14 05:50:41,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:50:41,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [853766950] [2020-10-14 05:50:41,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:50:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:41,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:41,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:41,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:43,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:44,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:46,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:46,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 05:50:46,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:50:46,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 05:50:46,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:46,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:50:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 05:50:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:50:46,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,123 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:50:47,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:50:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:47,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:50:47,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:50:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:47,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:47,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:50:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:47,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:50:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:47,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:47,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:50:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,304 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 05:50:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:50:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 05:50:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:50:47,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:50:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:50:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:47,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:50:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 05:50:47,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:50:47,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:50:47,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:50:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:50:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:50:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:50:47,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:50:47,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:50:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:50:47,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:50:47,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:50:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:47,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:47,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 05:50:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:50:47,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:50:47,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:50:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:50:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 05:50:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:47,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 05:50:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:47,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 05:50:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:50:47,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:50:47,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:50:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:50:47,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:50:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:50:47,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [853766950] [2020-10-14 05:50:47,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:50:47,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:50:47,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787887533] [2020-10-14 05:50:47,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:50:47,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:50:47,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:50:47,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:50:47,730 INFO L87 Difference]: Start difference. First operand 647 states and 1016 transitions. Second operand 8 states. [2020-10-14 05:50:49,313 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-14 05:50:50,158 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:51:05,446 INFO L93 Difference]: Finished difference Result 1488 states and 2472 transitions. [2020-10-14 05:51:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:51:05,447 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-14 05:51:05,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:51:05,454 INFO L225 Difference]: With dead ends: 1488 [2020-10-14 05:51:05,454 INFO L226 Difference]: Without dead ends: 907 [2020-10-14 05:51:05,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:51:05,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-10-14 05:51:05,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 651. [2020-10-14 05:51:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-14 05:51:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1023 transitions. [2020-10-14 05:51:05,607 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1023 transitions. Word has length 95 [2020-10-14 05:51:05,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:51:05,608 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 1023 transitions. [2020-10-14 05:51:05,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:51:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1023 transitions. [2020-10-14 05:51:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 05:51:05,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:51:05,610 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 05:51:05,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 05:51:05,611 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:51:05,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:51:05,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1786148903, now seen corresponding path program 1 times [2020-10-14 05:51:05,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:51:05,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54399506] [2020-10-14 05:51:05,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:51:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:05,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:05,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:06,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:07,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:07,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:10,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:10,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 05:51:10,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:51:10,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 05:51:10,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:10,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 05:51:10,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:51:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,384 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-14 05:51:11,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:51:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:11,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:51:11,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:51:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:51:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:11,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:11,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:11,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:11,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:11,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:51:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:11,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:11,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:51:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:51:11,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:11,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:11,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:11,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:51:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 05:51:11,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:51:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-14 05:51:11,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:51:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:51:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:51:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:51:11,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:11,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:51:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:51:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:51:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:51:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 05:51:11,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:51:11,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 05:51:11,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:11,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:51:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:51:11,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:51:11,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:11,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:11,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:51:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:11,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:11,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:11,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:11,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:11,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:12,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:12,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:12,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:12,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:12,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:12,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:51:12,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 05:51:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:12,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:12,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:12,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:51:12,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:12,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:51:12,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:12,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:12,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 05:51:12,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:12,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:51:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:12,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:12,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:12,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 05:51:12,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:12,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:12,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:12,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:12,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:12,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:51:12,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:12,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 05:51:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:12,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:12,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:12,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:12,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:12,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:51:12,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:12,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:12,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:12,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 05:51:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:12,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:12,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:12,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:12,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:12,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:12,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 05:51:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:51:12,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:51:12,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:51:12,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:51:12,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:51:12,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:51:12,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:51:12,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:51:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:51:12,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 05:51:12,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:51:12,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:51:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 05:51:12,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54399506] [2020-10-14 05:51:12,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:51:12,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:51:12,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732579508] [2020-10-14 05:51:12,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:51:12,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:51:12,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:51:12,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:51:12,060 INFO L87 Difference]: Start difference. First operand 651 states and 1023 transitions. Second operand 7 states. [2020-10-14 05:51:13,205 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 05:51:13,915 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 390