/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:52:13,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:52:13,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:52:13,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:52:13,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:52:13,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:52:13,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:52:13,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:52:13,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:52:13,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:52:13,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:52:13,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:52:13,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:52:13,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:52:13,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:52:13,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:52:13,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:52:13,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:52:13,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:52:13,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:52:13,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:52:13,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:52:13,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:52:13,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:52:13,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:52:13,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:52:13,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:52:13,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:52:13,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:52:13,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:52:13,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:52:13,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:52:13,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:52:13,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:52:13,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:52:13,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:52:13,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:52:13,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:52:13,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:52:13,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:52:13,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:52:13,877 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 05:52:13,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:52:13,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:52:13,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:52:13,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:52:13,914 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:52:13,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:52:13,914 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:52:13,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:52:13,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:52:13,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:52:13,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:52:13,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:52:13,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:52:13,917 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:52:13,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:52:13,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:52:13,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:52:13,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:52:13,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:52:13,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:52:13,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:52:13,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:52:13,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:52:13,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:52:13,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:52:13,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:52:13,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:52:13,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:52:13,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:52:13,920 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 05:52:14,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:52:14,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:52:14,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:52:14,300 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:52:14,301 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:52:14,301 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-14 05:52:14,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aca47e0b7/f4e209ff1937488aa13a3be6eb8c72a4/FLAG57638bde2 [2020-10-14 05:52:15,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:52:15,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-14 05:52:15,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aca47e0b7/f4e209ff1937488aa13a3be6eb8c72a4/FLAG57638bde2 [2020-10-14 05:52:15,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aca47e0b7/f4e209ff1937488aa13a3be6eb8c72a4 [2020-10-14 05:52:15,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:52:15,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:52:15,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:52:15,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:52:15,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:52:15,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:52:15" (1/1) ... [2020-10-14 05:52:15,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0c700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:15, skipping insertion in model container [2020-10-14 05:52:15,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:52:15" (1/1) ... [2020-10-14 05:52:15,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:52:15,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:52:16,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:52:16,021 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:52:16,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:52:16,201 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:52:16,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16 WrapperNode [2020-10-14 05:52:16,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:52:16,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:52:16,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:52:16,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:52:16,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (1/1) ... [2020-10-14 05:52:16,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (1/1) ... [2020-10-14 05:52:16,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (1/1) ... [2020-10-14 05:52:16,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (1/1) ... [2020-10-14 05:52:16,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (1/1) ... [2020-10-14 05:52:16,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (1/1) ... [2020-10-14 05:52:16,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (1/1) ... [2020-10-14 05:52:16,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:52:16,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:52:16,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:52:16,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:52:16,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (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 05:52:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:52:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:52:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:52:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:52:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:52:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:52:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:52:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:52:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:52:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:52:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:52:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:52:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:52:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:52:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:52:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:52:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:52:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:52:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:52:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:52:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:52:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:52:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:52:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:52:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:52:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:52:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:52:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:52:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:52:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:52:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:52:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:52:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:52:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:52:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:52:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:52:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:52:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:52:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:52:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:52:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:52:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:52:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:52:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:52:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:52:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:52:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:52:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:52:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:52:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:52:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:52:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:52:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:52:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:52:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:52:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:52:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:52:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:52:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:52:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:52:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:52:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:52:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:52:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:52:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:52:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:52:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:52:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:52:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:52:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-14 05:52:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:52:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-14 05:52:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:52:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:52:16,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-14 05:52:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-14 05:52:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-14 05:52:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-14 05:52:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:52:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:52:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:52:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:52:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:52:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:52:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:52:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:52:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:52:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:52:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:52:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:52:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:52:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:52:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:52:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:52:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:52:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:52:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:52:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:52:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:52:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:52:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:52:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:52:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:52:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:52:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:52:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-14 05:52:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:52:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:52:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:52:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:52:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:52:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:52:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:52:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:52:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:52:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:52:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:52:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:52:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:52:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:52:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:52:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:52:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:52:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:52:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:52:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:52:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:52:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:52:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:52:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:52:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:52:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:52:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-14 05:52:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-14 05:52:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:52:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:52:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:52:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:52:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:52:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:52:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:52:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:52:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:52:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:52:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:52:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:52:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:52:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:52:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:52:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:52:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:52:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:52:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:52:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:52:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:52:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:52:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:52:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-14 05:52:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-14 05:52:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-14 05:52:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:52:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:52:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:52:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:52:18,926 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:52:18,927 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:52:18,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:52:18 BoogieIcfgContainer [2020-10-14 05:52:18,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:52:18,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:52:18,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:52:18,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:52:18,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:52:15" (1/3) ... [2020-10-14 05:52:18,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2497700b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:52:18, skipping insertion in model container [2020-10-14 05:52:18,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:16" (2/3) ... [2020-10-14 05:52:18,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2497700b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:52:18, skipping insertion in model container [2020-10-14 05:52:18,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:52:18" (3/3) ... [2020-10-14 05:52:18,946 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product22.cil.c [2020-10-14 05:52:18,957 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:52:18,965 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:52:18,979 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:52:19,005 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:52:19,006 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:52:19,006 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:52:19,006 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:52:19,006 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:52:19,006 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:52:19,006 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:52:19,006 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:52:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-14 05:52:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 05:52:19,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:52:19,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:52:19,061 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:52:19,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:52:19,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1159872126, now seen corresponding path program 1 times [2020-10-14 05:52:19,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:52:19,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835989709] [2020-10-14 05:52:19,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:52:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:19,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:19,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:20,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:20,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:20,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:21,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:22,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:24,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:24,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-14 05:52:24,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:52:24,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 05:52:24,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:24,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 05:52:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:52:24,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:52:25,827 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:52:25,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:52:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:25,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:25,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:25,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:25,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 05:52:25,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:25,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:25,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:52:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:25,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:25,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:25,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:25,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:52:25,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:26,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:26,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:26,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:26,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:52:26,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:52:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:26,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:26,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:26,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:52:26,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:26,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:26,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:26,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:26,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:26,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:52:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:26,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:26,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:26,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:26,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:26,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:52:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:52:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:26,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:26,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:26,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:26,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:26,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:26,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:26,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:26,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:26,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:26,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:52:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:26,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:26,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:26,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:26,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:52:26,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:26,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:26,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:26,382 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:52:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:52:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:26,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:26,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:29,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:29,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:31,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:31,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 05:52:31,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:52:31,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 05:52:31,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:31,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 05:52:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:52:31,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:31,627 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:52:31,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:52:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:31,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:31,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:31,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:31,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:31,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:31,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 05:52:33,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:52:33,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1393 [2020-10-14 05:52:33,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:33,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:33,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:52:33,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:33,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:33,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:52:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 05:52:33,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:52:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:52:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:52:33,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:33,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:52:33,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:33,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:33,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:33,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:33,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:33,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:33,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:52:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 05:52:33,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:52:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 714 [2020-10-14 05:52:33,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:52:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:52:33,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:33,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:52:33,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:52:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 05:52:33,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:33,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:52:33,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:33,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:52:33,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 05:52:33,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:52:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:33,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:52:33,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:33,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:52:33,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:52:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:33,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:52:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:33,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:34,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:52:34,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:52:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:52:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:34,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 05:52:34,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 05:52:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:52:34,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:52:34,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:34,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:34,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:52:34,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:52:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:52:34,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:52:34,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:34,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:34,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:52:34,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835989709] [2020-10-14 05:52:34,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:52:34,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:52:34,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237272909] [2020-10-14 05:52:34,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:52:34,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:52:34,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:52:34,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:52:34,357 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 9 states. [2020-10-14 05:52:36,436 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:52:51,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:52:51,901 INFO L93 Difference]: Finished difference Result 1526 states and 2563 transitions. [2020-10-14 05:52:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:52:51,903 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-14 05:52:51,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:52:51,936 INFO L225 Difference]: With dead ends: 1526 [2020-10-14 05:52:51,936 INFO L226 Difference]: Without dead ends: 899 [2020-10-14 05:52:51,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:52:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-14 05:52:52,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 629. [2020-10-14 05:52:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-14 05:52:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 998 transitions. [2020-10-14 05:52:52,217 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 998 transitions. Word has length 116 [2020-10-14 05:52:52,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:52:52,218 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 998 transitions. [2020-10-14 05:52:52,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:52:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 998 transitions. [2020-10-14 05:52:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 05:52:52,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:52:52,226 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:52:52,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:52:52,226 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:52:52,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:52:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash -173169725, now seen corresponding path program 1 times [2020-10-14 05:52:52,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:52:52,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294285804] [2020-10-14 05:52:52,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:52:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:52,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:52,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:52,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:53,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:53,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:53,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:57,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:57,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 05:52:57,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:52:57,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 05:52:57,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:57,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 05:52:57,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:52:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:58,337 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:52:58,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:52:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:58,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:58,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:58,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:58,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 05:52:58,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:58,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:58,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:58,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:52:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:58,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:58,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:58,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:58,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:58,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:58,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:52:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:58,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:58,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:58,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:58,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:58,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:58,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:58,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:52:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:58,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:58,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:58,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:58,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:58,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:58,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:58,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:52:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:58,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:58,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:58,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:52:58,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:58,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:58,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:52:58,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:52:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:58,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:58,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:58,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:58,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:58,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:58,690 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:52:58,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:52:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:58,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:58,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:59,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:01,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:01,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:03,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:03,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 05:53:03,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:53:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 05:53:03,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:03,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:53:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:53:03,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:03,883 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:53:03,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:53:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:03,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:03,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:03,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:03,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:03,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:04,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:53:04,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:53:04,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-14 05:53:04,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:04,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:04,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:04,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:53:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:53:04,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:04,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:04,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:04,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:04,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:04,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:04,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:04,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:04,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:04,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:53:04,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:53:04,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:04,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:53:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 05:53:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:04,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:53:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:04,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:04,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:04,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:04,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:53:04,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:04,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:53:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:53:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:04,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:04,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:04,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:04,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:04,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:04,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:04,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:04,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:04,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:04,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 05:53:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:04,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:53:05,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:53:05,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 826 [2020-10-14 05:53:05,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 05:53:05,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:05,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:53:05,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:05,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:53:05,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 05:53:05,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:53:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:05,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:05,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:53:05,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:05,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 05:53:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:53:05,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:05,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 05:53:05,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:53:05,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:53:05,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:05,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:53:05,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:05,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:05,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:05,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:53:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:53:05,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:05,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:05,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:05,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:05,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:05,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:05,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:05,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:05,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:05,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:05,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:53:05,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294285804] [2020-10-14 05:53:05,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:53:05,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:53:05,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580029507] [2020-10-14 05:53:05,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:53:05,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:53:05,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:53:05,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:53:05,836 INFO L87 Difference]: Start difference. First operand 629 states and 998 transitions. Second operand 9 states. [2020-10-14 05:53:07,636 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:53:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:53:22,422 INFO L93 Difference]: Finished difference Result 1503 states and 2503 transitions. [2020-10-14 05:53:22,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:53:22,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-14 05:53:22,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:53:22,433 INFO L225 Difference]: With dead ends: 1503 [2020-10-14 05:53:22,433 INFO L226 Difference]: Without dead ends: 899 [2020-10-14 05:53:22,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:53:22,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-14 05:53:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 629. [2020-10-14 05:53:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-14 05:53:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 993 transitions. [2020-10-14 05:53:22,603 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 993 transitions. Word has length 120 [2020-10-14 05:53:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:53:22,603 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 993 transitions. [2020-10-14 05:53:22,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:53:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 993 transitions. [2020-10-14 05:53:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 05:53:22,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:53:22,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:53:22,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:53:22,607 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:53:22,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:53:22,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1414551079, now seen corresponding path program 1 times [2020-10-14 05:53:22,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:53:22,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919997495] [2020-10-14 05:53:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:53:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:22,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:22,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:22,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:23,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:23,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:23,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:24,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:27,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:27,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 05:53:27,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:53:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 05:53:27,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:27,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:53:27,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:53:27,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:29,275 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:53:29,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:53:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:29,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:29,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:29,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:29,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 05:53:29,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:29,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:29,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:29,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:29,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:29,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:29,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:53:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:29,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:29,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:29,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:29,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:29,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:29,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:29,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:53:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:29,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:29,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:29,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:29,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:29,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:29,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:29,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:29,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:53:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:29,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:29,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:29,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:29,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:29,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:53:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:29,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:29,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:29,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:29,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:29,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:29,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:29,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:53:29,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:53:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:29,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:29,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:29,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:29,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:29,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:29,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:29,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:29,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:29,845 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:53:29,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:53:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:29,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:30,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:30,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:30,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:31,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:31,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:31,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:34,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:34,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 05:53:34,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:53:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 05:53:34,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:34,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:53:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:53:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:35,060 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:53:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:53:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:35,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:53:35,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:53:35,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 809 [2020-10-14 05:53:35,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:35,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:35,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:53:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:53:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:35,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:35,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:53:35,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:35,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:35,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:35,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:35,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:35,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:53:35,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:53:35,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:35,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:35,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:53:35,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 05:53:35,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:35,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:53:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:36,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:53:36,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:53:36,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:53:36,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:36,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:36,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 05:53:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:53:36,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:53:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-14 05:53:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:53:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:36,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:36,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:53:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:36,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:53:36,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:36,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:36,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:53:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:53:36,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:53:36,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:53:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:53:36,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:53:36,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:36,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:36,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:36,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:53:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:53:36,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:36,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:36,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:36,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:36,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:53:36,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919997495] [2020-10-14 05:53:36,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:53:36,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:53:36,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302749507] [2020-10-14 05:53:36,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:53:36,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:53:36,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:53:36,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:53:36,742 INFO L87 Difference]: Start difference. First operand 629 states and 993 transitions. Second operand 9 states. [2020-10-14 05:53:38,590 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:53:40,756 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:53:41,692 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-14 05:53:56,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:53:56,354 INFO L93 Difference]: Finished difference Result 1542 states and 2552 transitions. [2020-10-14 05:53:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:53:56,355 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-14 05:53:56,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:53:56,366 INFO L225 Difference]: With dead ends: 1542 [2020-10-14 05:53:56,366 INFO L226 Difference]: Without dead ends: 945 [2020-10-14 05:53:56,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:53:56,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-14 05:53:56,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 668. [2020-10-14 05:53:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-10-14 05:53:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1057 transitions. [2020-10-14 05:53:56,510 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1057 transitions. Word has length 122 [2020-10-14 05:53:56,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:53:56,511 INFO L479 AbstractCegarLoop]: Abstraction has 668 states and 1057 transitions. [2020-10-14 05:53:56,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:53:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1057 transitions. [2020-10-14 05:53:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 05:53:56,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:53:56,513 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:53:56,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:53:56,513 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:53:56,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:53:56,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1689094176, now seen corresponding path program 1 times [2020-10-14 05:53:56,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:53:56,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649553714] [2020-10-14 05:53:56,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:53:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:56,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:56,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:56,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:56,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:56,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:56,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:57,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:58,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:59,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:01,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 05:54:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:54:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 05:54:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:01,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:54:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:54:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:02,561 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:54:02,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:02,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:02,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:02,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 05:54:02,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:02,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:02,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:02,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:02,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:02,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:02,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:02,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:02,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:02,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:02,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:02,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:02,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:02,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:54:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:02,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:02,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:02,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:02,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:02,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:02,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:02,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:02,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:02,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:02,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:54:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:02,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:02,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:02,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:02,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:02,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:02,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:02,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:54:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:02,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:02,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:02,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:02,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:02,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:02,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:02,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:02,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:02,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:02,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:02,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:54:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:02,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:02,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:02,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:02,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:02,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:02,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:02,885 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:54:02,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:54:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:02,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:03,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:04,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:04,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:04,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:07,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:54:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:54:07,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,049 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:54:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 05:54:08,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:54:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-14 05:54:08,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:54:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:54:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:08,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:08,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:08,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 05:54:08,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:54:08,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:54:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 05:54:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:08,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:54:08,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:54:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:54:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:08,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:08,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:54:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:54:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:08,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:08,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:54:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:54:08,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:54:08,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:54:08,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:54:08,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:54:08,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:08,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:08,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:54:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:54:08,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:08,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:08,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:08,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:08,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:08,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:08,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:54:09,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649553714] [2020-10-14 05:54:09,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:54:09,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:54:09,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233171342] [2020-10-14 05:54:09,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:54:09,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:54:09,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:54:09,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:54:09,055 INFO L87 Difference]: Start difference. First operand 668 states and 1057 transitions. Second operand 9 states. [2020-10-14 05:54:11,045 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:54:13,097 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:54:14,029 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-14 05:54:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:54:28,258 INFO L93 Difference]: Finished difference Result 1549 states and 2559 transitions. [2020-10-14 05:54:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:54:28,259 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 123 [2020-10-14 05:54:28,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:54:28,269 INFO L225 Difference]: With dead ends: 1549 [2020-10-14 05:54:28,269 INFO L226 Difference]: Without dead ends: 945 [2020-10-14 05:54:28,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:54:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-14 05:54:28,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 668. [2020-10-14 05:54:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-10-14 05:54:28,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1052 transitions. [2020-10-14 05:54:28,468 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1052 transitions. Word has length 123 [2020-10-14 05:54:28,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:54:28,469 INFO L479 AbstractCegarLoop]: Abstraction has 668 states and 1052 transitions. [2020-10-14 05:54:28,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:54:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1052 transitions. [2020-10-14 05:54:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 05:54:28,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:54:28,475 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:54:28,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:54:28,475 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:54:28,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:54:28,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1222538721, now seen corresponding path program 1 times [2020-10-14 05:54:28,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:54:28,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485170445] [2020-10-14 05:54:28,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:54:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:28,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:28,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:28,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:28,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:29,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:31,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:33,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:33,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 05:54:33,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:54:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 05:54:33,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:33,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 05:54:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:33,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:34,607 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:54:34,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:34,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:34,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 05:54:34,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:34,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:34,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:34,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:54:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:34,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:34,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:34,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:34,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:34,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:54:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:34,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:34,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:34,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:34,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:34,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:34,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:34,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:54:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:34,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:34,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:34,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:34,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:34,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:34,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:34,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:34,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:54:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:34,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:34,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:34,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:34,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:34,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:34,931 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:54:34,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:54:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:34,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:34,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:35,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:35,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:35,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:35,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:35,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:37,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:39,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:39,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:54:39,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:54:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 05:54:39,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:39,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 05:54:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:39,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:40,107 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:54:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:40,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:40,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:40,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:40,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:40,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 05:54:41,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:54:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 897 [2020-10-14 05:54:41,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:54:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 05:54:41,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 05:54:41,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:54:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:41,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:41,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:54:41,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:41,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:54:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:54:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:41,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:41,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:54:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:54:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:54:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:54:41,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:54:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-14 05:54:41,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:54:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:41,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:41,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:41,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:54:41,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:54:41,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:54:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:41,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:41,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:41,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:41,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:41,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:54:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:54:41,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:54:41,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:54:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:54:41,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:54:41,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:41,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:41,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:54:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:54:41,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:41,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:41,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:41,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:41,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:41,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:41,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:41,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:41,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 05:54:41,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485170445] [2020-10-14 05:54:41,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:54:41,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:54:41,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788519546] [2020-10-14 05:54:41,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:54:41,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:54:41,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:54:41,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:54:41,887 INFO L87 Difference]: Start difference. First operand 668 states and 1052 transitions. Second operand 10 states. [2020-10-14 05:54:43,731 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-14 05:54:44,910 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:55:06,868 INFO L93 Difference]: Finished difference Result 1568 states and 2601 transitions. [2020-10-14 05:55:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:55:06,869 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-10-14 05:55:06,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:55:06,876 INFO L225 Difference]: With dead ends: 1568 [2020-10-14 05:55:06,877 INFO L226 Difference]: Without dead ends: 969 [2020-10-14 05:55:06,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:55:06,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2020-10-14 05:55:07,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 672. [2020-10-14 05:55:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-14 05:55:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1059 transitions. [2020-10-14 05:55:07,031 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1059 transitions. Word has length 123 [2020-10-14 05:55:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:55:07,031 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 1059 transitions. [2020-10-14 05:55:07,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:55:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1059 transitions. [2020-10-14 05:55:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 05:55:07,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:55:07,034 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:55:07,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:55:07,034 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:55:07,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:55:07,035 INFO L82 PathProgramCache]: Analyzing trace with hash 504078306, now seen corresponding path program 1 times [2020-10-14 05:55:07,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:55:07,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899010884] [2020-10-14 05:55:07,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:55:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:07,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:07,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:07,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:07,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:08,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:12,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:12,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 05:55:12,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:55:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 05:55:12,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:12,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:55:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:55:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:13,116 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:55:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:13,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:55:13,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:13,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:13,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:55:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:13,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:55:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:13,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:13,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:13,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:13,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:13,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:13,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:13,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:55:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:13,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:13,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:13,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:13,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:13,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:13,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:13,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:55:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:13,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:13,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:13,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:13,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:13,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:13,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:13,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:13,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:55:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:13,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:13,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:13,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:13,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:13,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:13,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:13,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:13,425 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:55:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:14,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:14,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:18,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 05:55:18,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:55:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 05:55:18,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:18,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:55:18,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:55:18,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,593 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:55:18,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:19,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 05:55:19,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:19,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 715 [2020-10-14 05:55:19,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:19,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:55:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:55:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:19,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:19,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:19,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:55:19,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:19,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:19,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:19,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:19,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:19,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:19,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 05:55:19,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 05:55:19,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:19,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:55:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 05:55:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:19,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:19,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:19,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:19,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:19,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:55:19,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:19,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:55:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:55:19,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:19,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:19,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:19,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:19,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:19,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:19,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:19,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:19,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:19,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:19,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:55:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:19,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:19,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:55:20,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-14 05:55:20,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:55:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:20,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:20,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:20,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:55:20,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:55:20,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:55:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:20,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:20,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:20,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:20,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:55:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:55:20,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:55:20,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:55:20,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:55:20,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:55:20,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:20,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:20,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:55:20,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:20,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:20,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:20,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:55:20,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899010884] [2020-10-14 05:55:20,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:55:20,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:55:20,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733775234] [2020-10-14 05:55:20,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:55:20,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:55:20,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:55:20,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:55:20,230 INFO L87 Difference]: Start difference. First operand 672 states and 1059 transitions. Second operand 9 states. [2020-10-14 05:55:21,866 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:23,996 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:25,015 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-14 05:55:41,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:55:41,644 INFO L93 Difference]: Finished difference Result 1561 states and 2590 transitions. [2020-10-14 05:55:41,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:55:41,645 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-14 05:55:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:55:41,653 INFO L225 Difference]: With dead ends: 1561 [2020-10-14 05:55:41,653 INFO L226 Difference]: Without dead ends: 953 [2020-10-14 05:55:41,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:55:41,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-10-14 05:55:41,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 672. [2020-10-14 05:55:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-14 05:55:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1054 transitions. [2020-10-14 05:55:41,842 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1054 transitions. Word has length 124 [2020-10-14 05:55:41,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:55:41,842 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 1054 transitions. [2020-10-14 05:55:41,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:55:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1054 transitions. [2020-10-14 05:55:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 05:55:41,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:55:41,845 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:55:41,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:55:41,845 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:55:41,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:55:41,845 INFO L82 PathProgramCache]: Analyzing trace with hash -605123909, now seen corresponding path program 1 times [2020-10-14 05:55:41,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:55:41,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53067347] [2020-10-14 05:55:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:55:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:41,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:45,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:45,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:46,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:46,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 05:55:46,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:55:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 05:55:46,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:46,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 05:55:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:55:46,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:47,852 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:55:47,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:47,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:47,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:55:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:47,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:47,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:47,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:47,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:47,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:47,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:55:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:47,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:47,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:55:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:47,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:47,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:47,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:47,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:47,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:47,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:47,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:55:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:47,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:47,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:55:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:47,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:47,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:47,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:47,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:47,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:48,179 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:55:48,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:48,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:53,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 05:55:53,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:55:53,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 05:55:53,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:53,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 05:55:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:55:53,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:53,373 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:55:53,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:53,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:53,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:55:53,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-14 05:55:53,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:53,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:53,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:53,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:53,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:53,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:53,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:53,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:53,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:53,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:53,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:53,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:53,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:53,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:53,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:53,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:53,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:53,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:53,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:53,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:53,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:53,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:53,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:55:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:53,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:55:54,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:55:54,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-10-14 05:55:54,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:55:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:55:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:54,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:54,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:54,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:55:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:55:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:54,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:55:54,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:55:54,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 05:55:54,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:55:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:54,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:54,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:54,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:54,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:54,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:54,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:55:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:55:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:55:54,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:55:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:54,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:55:54,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:55:54,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:54,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:54,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:54,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:55:54,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:54,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:54,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:54,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:54,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:54,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:54,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 05:55:54,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53067347] [2020-10-14 05:55:54,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:55:54,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:55:54,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805590024] [2020-10-14 05:55:54,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:55:54,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:55:54,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:55:54,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:55:54,548 INFO L87 Difference]: Start difference. First operand 672 states and 1054 transitions. Second operand 9 states. [2020-10-14 05:55:56,142 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:57,145 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 402