/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=BIGGEST --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/email_spec7_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:32:27,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:32:27,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:32:27,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:32:27,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:32:27,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:32:27,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:32:27,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:32:27,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:32:27,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:32:27,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:32:27,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:32:27,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:32:27,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:32:27,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:32:27,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:32:27,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:32:27,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:32:27,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:32:27,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:32:27,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:32:27,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:32:27,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:32:27,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:32:27,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:32:27,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:32:27,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:32:27,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:32:27,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:32:27,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:32:27,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:32:27,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:32:27,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:32:27,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:32:27,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:32:27,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:32:27,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:32:27,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:32:27,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:32:27,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:32:27,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:32:27,766 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 [2020-10-12 17:32:27,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:32:27,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:32:27,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:32:27,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:32:27,826 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:32:27,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:32:27,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:32:27,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:32:27,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:32:27,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:32:27,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:32:27,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:32:27,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:32:27,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:32:27,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:32:27,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:32:27,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:32:27,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:32:27,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:32:27,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:32:27,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:32:27,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:32:27,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:32:27,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:32:27,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:32:27,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:32:27,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:32:27,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:32:27,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:32:27,836 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:32:28,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:32:28,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:32:28,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:32:28,145 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:32:28,146 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:32:28,147 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product18.cil.c [2020-10-12 17:32:28,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f78a4f676/30c9a1095f9c4c5daa7e95eae0ad31a8/FLAGd48a29430 [2020-10-12 17:32:28,864 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:32:28,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec7_product18.cil.c [2020-10-12 17:32:28,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f78a4f676/30c9a1095f9c4c5daa7e95eae0ad31a8/FLAGd48a29430 [2020-10-12 17:32:29,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f78a4f676/30c9a1095f9c4c5daa7e95eae0ad31a8 [2020-10-12 17:32:29,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:32:29,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:32:29,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:32:29,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:32:29,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:32:29,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:32:29" (1/1) ... [2020-10-12 17:32:29,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdfb90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:29, skipping insertion in model container [2020-10-12 17:32:29,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:32:29" (1/1) ... [2020-10-12 17:32:29,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:32:29,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:32:29,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:32:29,970 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:32:30,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:32:30,204 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:32:30,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30 WrapperNode [2020-10-12 17:32:30,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:32:30,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:32:30,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:32:30,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:32:30,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (1/1) ... [2020-10-12 17:32:30,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (1/1) ... [2020-10-12 17:32:30,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (1/1) ... [2020-10-12 17:32:30,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (1/1) ... [2020-10-12 17:32:30,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (1/1) ... [2020-10-12 17:32:30,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (1/1) ... [2020-10-12 17:32:30,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (1/1) ... [2020-10-12 17:32:30,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:32:30,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:32:30,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:32:30,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:32:30,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (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 [2020-10-12 17:32:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:32:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:32:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:32:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:32:30,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:32:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:32:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:32:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:32:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:32:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:32:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:32:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:32:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:32:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:32:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:32:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:32:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:32:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:32:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:32:30,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:32:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:32:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:32:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:32:30,563 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:32:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:32:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:32:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:32:30,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:32:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:32:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:32:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:32:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:32:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:32:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:32:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:32:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:32:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:32:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:32:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:32:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:32:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:32:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:32:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:32:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:32:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:32:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:32:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:32:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:32:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:32:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:32:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:32:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:32:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:32:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:32:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:32:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:32:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:32:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:32:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:32:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:32:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:32:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:32:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:32:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:32:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:32:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:32:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:32:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:32:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:32:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:32:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:32:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:32:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:32:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:32:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:32:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:32:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:32:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:32:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:32:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:32:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:32:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:32:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:32:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:32:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:32:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-12 17:32:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-12 17:32:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:32:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:32:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:32:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:32:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:32:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:32:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:32:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:32:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-12 17:32:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:32:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:32:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:32:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:32:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:32:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:32:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:32:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:32:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:32:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:32:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:32:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:32:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:32:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:32:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-12 17:32:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:32:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:32:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:32:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:32:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:32:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:32:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:32:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:32:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:32:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:32:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:32:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:32:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:32:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:32:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:32:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:32:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:32:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:32:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:32:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:32:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:32:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:32:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:32:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:32:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:32:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:32:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:32:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:32:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:32:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:32:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:32:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:32:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:32:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:32:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:32:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:32:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:32:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:32:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:32:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:32:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:32:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:32:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:32:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:32:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:32:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:32:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:32:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:32:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:32:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:32:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:32:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:32:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:32:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:32:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:32:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:32:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:32:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:32:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:32:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:32:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:32:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:32:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:32:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:32:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:32:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:32:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:32:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:32:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:32:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:32:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:32:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:32:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:32:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:32:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:32:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:32:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:32:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:32:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:32:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:32:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:32:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:32:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:32:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:32:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:32:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:32:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:32:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:32:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:32:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:32:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:32:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:32:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:32:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:32:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:32:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:32:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:32:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:32:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:32:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:32:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:32:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:32:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:32:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:32:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:32:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:32:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:32:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:32:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-12 17:32:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-12 17:32:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:32:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:32:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:32:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:32:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:32:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:32:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:32:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:32:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:32:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:32:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-12 17:32:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:32:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2020-10-12 17:32:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:32:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:32:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:32:32,792 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:32:32,792 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:32:32,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:32:32 BoogieIcfgContainer [2020-10-12 17:32:32,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:32:32,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:32:32,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:32:32,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:32:32,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:32:29" (1/3) ... [2020-10-12 17:32:32,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15295c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:32:32, skipping insertion in model container [2020-10-12 17:32:32,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:32:30" (2/3) ... [2020-10-12 17:32:32,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15295c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:32:32, skipping insertion in model container [2020-10-12 17:32:32,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:32:32" (3/3) ... [2020-10-12 17:32:32,810 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product18.cil.c [2020-10-12 17:32:32,821 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:32:32,831 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:32:32,846 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:32:32,875 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:32:32,876 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:32:32,876 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:32:32,876 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:32:32,876 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:32:32,876 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:32:32,876 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:32:32,877 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:32:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states. [2020-10-12 17:32:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 17:32:32,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:32:32,930 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:32:32,931 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:32:32,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:32:32,938 INFO L82 PathProgramCache]: Analyzing trace with hash -416032173, now seen corresponding path program 1 times [2020-10-12 17:32:32,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:32:32,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900372106] [2020-10-12 17:32:32,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:32:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:33,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:33,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:34,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:34,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:38,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:38,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 17:32:38,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:32:38,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 17:32:38,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:38,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:32:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:32:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:32:38,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:32:40,419 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:32:40,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:32:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:40,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:40,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:40,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:32:40,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 17:32:40,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:40,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:40,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:40,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:40,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:40,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:32:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:40,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:40,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:40,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:32:40,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:40,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:40,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:40,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:40,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:40,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:40,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:40,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:32:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:40,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:40,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:40,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:32:40,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:40,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:40,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:40,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:32:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:40,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:40,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:40,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:32:40,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:40,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:32:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:40,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:40,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:40,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:40,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:45,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:32:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:32:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:32:45,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:32:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:32:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:32:45,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:45,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:45,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:32:45,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:45,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:32:45,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:45,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:45,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:45,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:32:45,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:32:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:45,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:45,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:45,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:45,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:45,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:32:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:45,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:45,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:45,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:45,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:45,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:32:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:45,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:45,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:32:45,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:32:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 17:32:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:32:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:32:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:32:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:45,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:45,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:45,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:32:45,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:32:45,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:32:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:32:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:32:46,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:32:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:32:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:32:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:32:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:32:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:32:46,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:32:46,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:32:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:32:46,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:32:46,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:32:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:32:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:32:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:32:46,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:32:46,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:32:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:32:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:32:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:32:46,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:32:46,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:32:46,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:32:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:32:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:32:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:32:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:32:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:32:46,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:32:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 17:32:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:32:46,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:32:46,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:32:46,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:32:46,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:32:46,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:32:46,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:32:46,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:32:46,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:32:46,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:32:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:32:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:32:46,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900372106] [2020-10-12 17:32:46,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:32:46,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 17:32:46,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644843919] [2020-10-12 17:32:46,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:32:46,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:32:46,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:32:46,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:32:46,433 INFO L87 Difference]: Start difference. First operand 478 states. Second operand 18 states. [2020-10-12 17:32:49,215 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:32:51,191 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:32:52,450 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:32:53,820 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:32:55,086 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:33:11,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:33:11,887 INFO L93 Difference]: Finished difference Result 1360 states and 2061 transitions. [2020-10-12 17:33:11,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-12 17:33:11,889 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 150 [2020-10-12 17:33:11,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:33:11,941 INFO L225 Difference]: With dead ends: 1360 [2020-10-12 17:33:11,941 INFO L226 Difference]: Without dead ends: 795 [2020-10-12 17:33:11,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1910 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=1158, Invalid=4694, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 17:33:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2020-10-12 17:33:12,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 447. [2020-10-12 17:33:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-12 17:33:12,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 591 transitions. [2020-10-12 17:33:12,258 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 591 transitions. Word has length 150 [2020-10-12 17:33:12,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:33:12,258 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 591 transitions. [2020-10-12 17:33:12,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:33:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2020-10-12 17:33:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 17:33:12,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:33:12,266 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:33:12,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:33:12,266 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:33:12,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:33:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash -817611995, now seen corresponding path program 1 times [2020-10-12 17:33:12,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:33:12,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268549340] [2020-10-12 17:33:12,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:33:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:12,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:12,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:12,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:12,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:12,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:17,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:17,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 17:33:17,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:33:17,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:33:17,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-12 17:33:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:33:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:18,579 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:33:18,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:33:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:18,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:18,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:18,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:18,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 17:33:18,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:18,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:33:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:18,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:18,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:18,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:33:18,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:18,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:33:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:18,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:18,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:33:18,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:18,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:18,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:18,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:18,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:18,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:18,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:18,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:33:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:18,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:18,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:18,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:18,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:18,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:18,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:33:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:18,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:18,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:18,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:19,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:33:23,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:33:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:33:23,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:23,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:33:23,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:33:23,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:23,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:23,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:33:23,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:23,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:33:23,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:23,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:23,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:33:23,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:23,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:33:23,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:23,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:23,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:23,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:23,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:23,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:23,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:23,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:23,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:33:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:23,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:23,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:23,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:23,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:33:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:33:23,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:33:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 17:33:23,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:33:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:33:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:23,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:23,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:33:23,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:33:23,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:33:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:33:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:23,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:23,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:23,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:23,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:33:23,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:33:23,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:33:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:33:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:33:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:33:24,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:33:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:33:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:33:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:33:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:33:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:33:24,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:33:24,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:33:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:33:24,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:24,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:33:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:24,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:24,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:33:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:33:24,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:33:24,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:33:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:33:24,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:24,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:33:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:24,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:24,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:33:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:33:24,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:33:24,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:33:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:24,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:24,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:33:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:24,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:33:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:24,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:33:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:24,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:24,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:33:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:24,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:24,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:24,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:24,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:24,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:24,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:24,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:24,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:33:24,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:24,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:33:24,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268549340] [2020-10-12 17:33:24,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:33:24,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 17:33:24,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381507206] [2020-10-12 17:33:24,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:33:24,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:33:24,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:33:24,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:33:24,440 INFO L87 Difference]: Start difference. First operand 447 states and 591 transitions. Second operand 18 states. [2020-10-12 17:33:27,108 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:33:28,715 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:33:30,408 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:33:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:33:46,412 INFO L93 Difference]: Finished difference Result 1204 states and 1717 transitions. [2020-10-12 17:33:46,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 17:33:46,413 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 152 [2020-10-12 17:33:46,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:33:46,425 INFO L225 Difference]: With dead ends: 1204 [2020-10-12 17:33:46,425 INFO L226 Difference]: Without dead ends: 808 [2020-10-12 17:33:46,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=323, Invalid=1237, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 17:33:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-10-12 17:33:46,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 454. [2020-10-12 17:33:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-10-12 17:33:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 603 transitions. [2020-10-12 17:33:46,636 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 603 transitions. Word has length 152 [2020-10-12 17:33:46,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:33:46,636 INFO L479 AbstractCegarLoop]: Abstraction has 454 states and 603 transitions. [2020-10-12 17:33:46,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:33:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 603 transitions. [2020-10-12 17:33:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 17:33:46,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:33:46,640 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:33:46,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:33:46,641 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:33:46,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:33:46,641 INFO L82 PathProgramCache]: Analyzing trace with hash -165329014, now seen corresponding path program 1 times [2020-10-12 17:33:46,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:33:46,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252986460] [2020-10-12 17:33:46,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:33:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:46,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:46,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:46,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:51,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:51,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 17:33:51,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:33:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:33:51,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:51,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:33:51,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 17:33:51,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:33:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:53,226 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:33:53,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:33:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:53,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:33:53,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:53,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:53,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:33:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:33:53,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:53,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:53,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:33:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:33:53,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:53,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:53,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:53,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:53,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:33:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:53,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:33:53,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:53,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:33:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:33:53,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:33:53,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-12 17:33:53,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:53,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:33:53,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:33:53,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:53,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:33:53,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:53,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:33:53,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:53,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:53,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:53,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:53,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:33:53,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:53,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:53,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:53,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:53,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:53,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:53,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:53,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:53,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:53,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:54,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:33:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:54,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:33:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:33:54,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:33:54,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:33:54,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:54,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:33:54,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:54,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:33:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:33:54,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:33:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:33:54,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:33:54,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 17:33:54,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:33:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:33:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:33:54,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:33:54,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:33:54,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:33:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:33:54,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:33:54,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:33:54,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:33:54,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:33:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:33:54,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:33:54,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:33:54,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:33:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:33:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:33:54,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:33:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:33:54,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:54,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:33:54,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:33:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:33:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:33:54,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:33:54,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:33:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:33:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:33:54,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:33:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:33:54,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:33:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:33:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:33:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:33:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:33:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 17:33:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:33:54,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:33:54,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 17:33:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:33:54,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:33:54,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:33:54,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:33:54,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:33:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:33:54,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:33:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:33:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:33:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:33:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:33:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:33:54,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252986460] [2020-10-12 17:33:54,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:33:54,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-12 17:33:54,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090365765] [2020-10-12 17:33:54,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:33:54,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:33:54,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:33:54,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:33:54,672 INFO L87 Difference]: Start difference. First operand 454 states and 603 transitions. Second operand 23 states. [2020-10-12 17:33:56,881 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:33:58,586 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:34:00,821 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:34:02,863 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:34:04,210 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:34:05,486 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:34:06,804 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:34:08,072 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:34:09,405 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:34:10,696 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:34:12,083 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:34:18,651 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:34:20,203 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:34:21,609 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:34:31,963 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:34:33,418 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:34:51,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:34:51,070 INFO L93 Difference]: Finished difference Result 1977 states and 2891 transitions. [2020-10-12 17:34:51,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-10-12 17:34:51,073 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 153 [2020-10-12 17:34:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:34:51,087 INFO L225 Difference]: With dead ends: 1977 [2020-10-12 17:34:51,088 INFO L226 Difference]: Without dead ends: 1578 [2020-10-12 17:34:51,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2340 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=1410, Invalid=6780, Unknown=0, NotChecked=0, Total=8190 [2020-10-12 17:34:51,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2020-10-12 17:34:51,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 464. [2020-10-12 17:34:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-12 17:34:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 611 transitions. [2020-10-12 17:34:51,358 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 611 transitions. Word has length 153 [2020-10-12 17:34:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:34:51,358 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 611 transitions. [2020-10-12 17:34:51,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:34:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 611 transitions. [2020-10-12 17:34:51,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 17:34:51,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:34:51,362 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:34:51,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:34:51,362 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:34:51,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:34:51,362 INFO L82 PathProgramCache]: Analyzing trace with hash -503421354, now seen corresponding path program 2 times [2020-10-12 17:34:51,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:34:51,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80322030] [2020-10-12 17:34:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:34:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:51,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:51,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:51,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:51,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:52,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:53,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:56,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:34:56,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:57,688 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:34:57,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:34:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:57,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:57,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:34:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:57,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:57,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:34:57,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:57,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:57,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:57,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:57,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:57,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:34:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:57,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:57,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:34:57,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:57,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:57,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:57,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:57,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:34:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:57,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:57,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:57,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:57,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:57,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:57,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:57,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:57,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:57,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:34:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:57,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:57,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 17:34:58,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:34:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-12 17:34:58,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 17:34:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:34:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:34:58,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:34:58,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:34:58,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:58,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:34:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:34:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:34:58,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:34:58,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:34:58,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:34:58,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:34:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:34:58,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:34:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:34:58,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:34:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:34:58,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:34:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:34:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:34:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:34:58,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:34:58,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:34:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:34:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:34:58,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:34:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:34:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:34:58,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:34:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:34:58,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:34:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:34:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:34:58,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:34:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:34:58,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:34:58,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:34:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:34:58,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:34:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:34:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:34:58,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:34:58,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:34:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:34:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:34:58,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:34:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:34:58,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:34:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:34:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:34:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:34:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 17:34:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:58,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:34:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:34:58,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:34:58,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:34:58,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:58,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 17:34:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:34:58,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:34:58,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:34:58,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:34:58,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:34:58,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:34:58,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:34:58,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:34:58,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:34:58,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:34:58,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:34:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:34:59,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80322030] [2020-10-12 17:34:59,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:34:59,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-12 17:34:59,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165978787] [2020-10-12 17:34:59,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:34:59,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:34:59,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:34:59,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:34:59,033 INFO L87 Difference]: Start difference. First operand 464 states and 611 transitions. Second operand 23 states. [2020-10-12 17:35:01,490 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:35:03,200 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:35:04,900 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:35:06,772 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:35:08,593 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:35:10,228 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:35:11,570 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:35:20,272 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:35:21,883 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:35:23,285 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:35:24,805 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:35:26,250 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:35:27,564 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:35:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:35:53,418 INFO L93 Difference]: Finished difference Result 1982 states and 2907 transitions. [2020-10-12 17:35:53,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-12 17:35:53,420 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 154 [2020-10-12 17:35:53,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:35:53,430 INFO L225 Difference]: With dead ends: 1982 [2020-10-12 17:35:53,431 INFO L226 Difference]: Without dead ends: 1605 [2020-10-12 17:35:53,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1468 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=942, Invalid=4608, Unknown=0, NotChecked=0, Total=5550 [2020-10-12 17:35:53,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-10-12 17:35:53,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 471. [2020-10-12 17:35:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-12 17:35:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 621 transitions. [2020-10-12 17:35:53,684 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 621 transitions. Word has length 154 [2020-10-12 17:35:53,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:35:53,685 INFO L479 AbstractCegarLoop]: Abstraction has 471 states and 621 transitions. [2020-10-12 17:35:53,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:35:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 621 transitions. [2020-10-12 17:35:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-12 17:35:53,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:35:53,688 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:35:53,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:35:53,688 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:35:53,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:35:53,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1986569041, now seen corresponding path program 3 times [2020-10-12 17:35:53,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:35:53,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447336208] [2020-10-12 17:35:53,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:35:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:35:53,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:53,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:53,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:53,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:35:58,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:35:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 17:35:58,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:35:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:35:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:35:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 17:35:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 17:35:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 17:35:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:00,005 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:36:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:36:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:00,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:00,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:00,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:36:00,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:00,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:36:00,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:00,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:00,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:00,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:36:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:00,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:00,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:00,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:36:00,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:36:00,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:00,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:36:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:00,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:00,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:00,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:36:00,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:36:00,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:00,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:36:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:00,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:00,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:00,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:36:00,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:00,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:36:00,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:00,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:00,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:36:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:00,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:00,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:00,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:36:01,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:36:01,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1570 [2020-10-12 17:36:01,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 17:36:01,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:01,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 17:36:01,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:36:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:36:01,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:01,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:01,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:01,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:36:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:36:01,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:36:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:36:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:36:01,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:36:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:36:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 17:36:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:36:01,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:36:01,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:01,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:01,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:36:01,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:36:01,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:01,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:01,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:01,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:01,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:01,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:36:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:01,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:01,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:01,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:36:01,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:36:01,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:36:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:36:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:36:01,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:36:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 17:36:02,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:36:02,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:36:02,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:36:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:36:02,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:02,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:02,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:36:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:36:02,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:36:02,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:36:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 17:36:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 17:36:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:36:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:36:02,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:36:02,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:02,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:02,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:36:02,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:36:02,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:02,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:02,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:02,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:36:02,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:36:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:02,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:02,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:02,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:02,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:02,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:36:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:36:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:36:02,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:36:02,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:36:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:36:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:36:02,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:36:02,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:02,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:36:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:36:02,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:36:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:02,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:02,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:02,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 17:36:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:02,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:02,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:02,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:02,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:02,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:36:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:02,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:36:02,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 17:36:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:02,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:02,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:02,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:36:02,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:02,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:36:02,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447336208] [2020-10-12 17:36:02,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:36:02,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 17:36:02,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970850988] [2020-10-12 17:36:02,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 17:36:02,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:36:02,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 17:36:02,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:36:02,523 INFO L87 Difference]: Start difference. First operand 471 states and 621 transitions. Second operand 21 states. [2020-10-12 17:36:04,578 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:36:06,496 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-12 17:36:08,230 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 537