/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:35:24,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:35:24,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:35:24,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:35:24,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:35:24,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:35:24,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:35:24,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:35:24,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:35:24,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:35:24,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:35:24,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:35:24,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:35:24,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:35:24,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:35:24,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:35:24,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:35:24,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:35:24,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:35:24,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:35:24,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:35:24,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:35:24,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:35:24,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:35:24,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:35:24,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:35:24,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:35:24,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:35:24,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:35:24,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:35:24,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:35:24,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:35:24,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:35:24,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:35:24,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:35:24,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:35:24,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:35:24,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:35:24,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:35:24,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:35:24,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:35:24,876 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 [2020-10-27 21:35:24,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:35:24,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:35:24,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:35:24,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:35:24,935 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:35:24,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:35:24,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:35:24,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:35:24,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:35:24,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:35:24,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:35:24,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:35:24,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:35:24,937 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:35:24,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:35:24,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:35:24,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:35:24,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:35:24,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:35:24,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:35:24,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:35:24,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:35:24,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:35:24,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:35:24,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:35:24,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:35:24,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:35:24,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:35:24,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:35:24,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:35:25,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:35:25,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:35:25,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:35:25,409 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:35:25,410 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:35:25,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2020-10-27 21:35:25,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a8e8ffaf/4fd401a549ec4bc7afd2bcf10bdabbc1/FLAGae32dcab2 [2020-10-27 21:35:26,373 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:35:26,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2020-10-27 21:35:26,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a8e8ffaf/4fd401a549ec4bc7afd2bcf10bdabbc1/FLAGae32dcab2 [2020-10-27 21:35:26,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a8e8ffaf/4fd401a549ec4bc7afd2bcf10bdabbc1 [2020-10-27 21:35:26,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:35:26,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:35:26,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:35:26,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:35:26,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:35:26,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:35:26" (1/1) ... [2020-10-27 21:35:26,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfac43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:26, skipping insertion in model container [2020-10-27 21:35:26,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:35:26" (1/1) ... [2020-10-27 21:35:26,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:35:26,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:35:27,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:35:27,346 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:35:27,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:35:27,660 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:35:27,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27 WrapperNode [2020-10-27 21:35:27,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:35:27,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:35:27,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:35:27,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:35:27,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (1/1) ... [2020-10-27 21:35:27,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (1/1) ... [2020-10-27 21:35:27,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (1/1) ... [2020-10-27 21:35:27,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (1/1) ... [2020-10-27 21:35:27,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (1/1) ... [2020-10-27 21:35:27,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (1/1) ... [2020-10-27 21:35:27,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (1/1) ... [2020-10-27 21:35:27,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:35:27,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:35:27,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:35:27,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:35:27,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (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 [2020-10-27 21:35:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:35:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:35:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:35:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:35:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:35:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:35:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:35:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:35:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:35:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:35:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:35:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:35:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:35:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:35:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:35:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:35:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:35:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:35:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:35:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:35:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:35:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:35:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:35:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:35:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:35:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:35:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:35:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:35:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:35:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:35:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:35:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:35:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:35:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:35:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:35:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:35:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:35:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:35:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:35:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:35:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:35:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:35:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:35:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:35:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:35:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:35:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:35:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:35:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:35:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:35:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:35:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:35:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:35:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:35:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:35:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:35:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:35:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:35:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:35:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:35:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:35:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-27 21:35:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 21:35:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:35:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:35:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:35:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:35:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:35:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:35:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:35:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:35:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:35:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:35:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:35:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:35:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:35:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:35:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:35:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:35:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:35:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:35:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:35:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:35:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:35:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:35:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 21:35:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:35:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:35:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:35:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-27 21:35:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:35:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:35:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 21:35:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:35:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:35:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:35:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:35:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:35:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:35:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:35:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:35:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:35:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:35:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:35:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:35:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 21:35:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:35:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:35:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:35:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:35:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:35:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:35:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:35:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:35:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:35:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:35:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:35:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:35:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:35:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:35:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:35:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:35:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:35:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:35:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:35:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 21:35:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:35:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:35:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:35:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:35:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:35:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:35:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:35:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:35:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:35:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:35:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:35:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:35:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:35:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:35:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:35:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:35:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:35:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:35:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:35:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:35:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:35:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:35:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:35:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:35:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:35:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:35:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:35:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:35:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:35:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:35:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:35:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:35:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:35:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:35:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:35:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:35:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:35:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:35:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:35:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:35:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:35:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:35:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:35:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:35:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:35:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:35:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:35:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:35:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:35:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:35:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:35:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:35:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:35:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:35:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:35:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:35:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:35:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:35:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:35:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:35:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:35:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:35:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:35:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:35:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:35:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:35:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:35:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:35:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:35:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 21:35:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:35:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:35:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:35:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:35:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:35:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-27 21:35:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 21:35:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:35:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:35:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:35:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:35:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:35:31,181 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:35:31,181 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:35:31,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:35:31 BoogieIcfgContainer [2020-10-27 21:35:31,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:35:31,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:35:31,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:35:31,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:35:31,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:35:26" (1/3) ... [2020-10-27 21:35:31,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d81b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:35:31, skipping insertion in model container [2020-10-27 21:35:31,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:27" (2/3) ... [2020-10-27 21:35:31,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d81b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:35:31, skipping insertion in model container [2020-10-27 21:35:31,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:35:31" (3/3) ... [2020-10-27 21:35:31,238 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2020-10-27 21:35:31,251 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:35:31,259 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:35:31,272 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:35:31,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:35:31,318 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:35:31,318 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:35:31,319 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:35:31,321 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:35:31,321 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:35:31,321 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:35:31,321 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:35:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states. [2020-10-27 21:35:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 21:35:31,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:35:31,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-27 21:35:31,412 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:35:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:35:31,420 INFO L82 PathProgramCache]: Analyzing trace with hash -52374194, now seen corresponding path program 1 times [2020-10-27 21:35:31,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:35:31,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828460148] [2020-10-27 21:35:31,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:35:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:32,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:32,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:33,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:37,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 21:35:37,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:35:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-27 21:35:37,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:35:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:37,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:35:41,340 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:35:41,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:35:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:41,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:41,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:41,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 21:35:41,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:41,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:41,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:41,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:41,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:41,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:35:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:41,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:41,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:41,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:41,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:41,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:41,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:41,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:35:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:41,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:41,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:35:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:43,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:35:46,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:35:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 21:35:46,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:35:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:35:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:35:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:46,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:35:46,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:46,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:35:46,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:46,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:46,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:35:46,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:46,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:46,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:35:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:46,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 21:35:46,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:46,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:46,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:46,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:46,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:46,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:35:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:47,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:35:47,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 21:35:47,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:35:47,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:35:47,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:35:47,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:47,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 21:35:47,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:35:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:35:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:35:47,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:35:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:35:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:35:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:47,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:35:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:35:47,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:35:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:35:47,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:35:47,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:35:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:47,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:47,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:35:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:35:47,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:47,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:35:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:47,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:35:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:47,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:35:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:47,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:35:47,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:35:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:47,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:35:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:47,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:35:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:47,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:47,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:47,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:47,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:35:47,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828460148] [2020-10-27 21:35:47,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:35:47,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:35:47,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258323598] [2020-10-27 21:35:47,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:35:47,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:35:47,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:35:47,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:35:47,737 INFO L87 Difference]: Start difference. First operand 623 states. Second operand 18 states. [2020-10-27 21:35:54,501 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:36:02,162 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:36:06,520 WARN L193 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 21:36:11,017 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 21:36:15,331 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 21:37:09,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:37:09,534 INFO L93 Difference]: Finished difference Result 1724 states and 2641 transitions. [2020-10-27 21:37:09,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-27 21:37:09,537 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 158 [2020-10-27 21:37:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:37:09,582 INFO L225 Difference]: With dead ends: 1724 [2020-10-27 21:37:09,582 INFO L226 Difference]: Without dead ends: 1013 [2020-10-27 21:37:09,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1885 ImplicationChecksByTransitivity, 30.5s TimeCoverageRelationStatistics Valid=1158, Invalid=4694, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 21:37:09,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2020-10-27 21:37:10,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 603. [2020-10-27 21:37:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-10-27 21:37:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 816 transitions. [2020-10-27 21:37:10,109 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 816 transitions. Word has length 158 [2020-10-27 21:37:10,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:37:10,110 INFO L481 AbstractCegarLoop]: Abstraction has 603 states and 816 transitions. [2020-10-27 21:37:10,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:37:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 816 transitions. [2020-10-27 21:37:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 21:37:10,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:37:10,116 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1] [2020-10-27 21:37:10,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:37:10,117 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:37:10,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:37:10,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1835884621, now seen corresponding path program 1 times [2020-10-27 21:37:10,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:37:10,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476126153] [2020-10-27 21:37:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:37:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:10,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:10,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:15,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:15,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 21:37:15,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 21:37:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-27 21:37:15,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:37:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:37:15,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:37:15,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:19,610 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:37:19,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:37:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:19,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:19,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:19,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:37:19,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:19,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 21:37:19,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:19,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:37:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:19,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:19,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:19,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:37:19,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:19,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:19,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:19,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:19,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:19,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:19,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:19,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:37:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:19,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:19,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:19,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:37:19,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:19,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:19,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:19,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:37:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:19,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:19,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:37:19,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:19,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:19,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:37:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:19,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:19,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:19,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:19,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:21,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:21,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:21,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:37:24,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:37:24,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:37:24,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:37:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:37:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:37:24,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:37:24,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:37:24,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:37:24,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:37:24,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:24,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:24,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:37:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:24,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:24,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:37:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:37:24,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:37:24,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:37:24,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:37:24,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:24,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:24,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:37:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:24,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:24,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:24,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:24,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:24,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:24,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:24,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:37:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:24,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:24,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:37:25,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:37:25,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:37:25,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:37:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:37:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:37:25,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:37:25,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:37:25,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 21:37:25,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:37:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:37:25,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:37:25,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:37:25,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:37:25,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:37:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:37:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:37:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:37:25,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:37:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:37:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:37:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:37:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:37:25,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:37:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:37:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:37:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:25,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:37:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:37:25,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:37:25,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:37:25,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:37:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:37:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:25,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:37:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 21:37:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 21:37:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:25,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:25,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:25,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:25,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:25,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 21:37:25,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476126153] [2020-10-27 21:37:25,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:37:25,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:37:25,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827263025] [2020-10-27 21:37:25,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:37:25,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:37:25,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:37:25,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:37:25,846 INFO L87 Difference]: Start difference. First operand 603 states and 816 transitions. Second operand 19 states. [2020-10-27 21:37:32,139 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:37:37,289 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:37:43,334 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:37:48,627 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:38:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:38:29,274 INFO L93 Difference]: Finished difference Result 1564 states and 2286 transitions. [2020-10-27 21:38:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 21:38:29,275 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2020-10-27 21:38:29,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:38:29,290 INFO L225 Difference]: With dead ends: 1564 [2020-10-27 21:38:29,290 INFO L226 Difference]: Without dead ends: 1029 [2020-10-27 21:38:29,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 23.1s TimeCoverageRelationStatistics Valid=347, Invalid=1375, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:38:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-10-27 21:38:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 612. [2020-10-27 21:38:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-27 21:38:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 828 transitions. [2020-10-27 21:38:29,658 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 828 transitions. Word has length 160 [2020-10-27 21:38:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:38:29,659 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 828 transitions. [2020-10-27 21:38:29,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:38:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 828 transitions. [2020-10-27 21:38:29,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 21:38:29,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:38:29,663 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:38:29,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:38:29,664 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:38:29,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:38:29,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1818370371, now seen corresponding path program 1 times [2020-10-27 21:38:29,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:38:29,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562088490] [2020-10-27 21:38:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:38:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:29,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:29,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:29,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:30,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:30,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:30,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 21:38:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:38:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 21:38:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:38:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:38:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:38:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:38,915 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:38:38,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:38:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:38,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:38,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:38,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:38:38,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 21:38:38,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:39,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:38:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:39,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:39,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:39,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:38:39,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:39,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:38:39,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:38:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:39,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:39,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:38:39,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:38:39,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:39,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:39,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:38:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:39,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:39,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:38:39,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:38:39,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:39,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:39,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:39,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:39,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:39,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:38:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:39,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:39,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:40,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:38:44,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:38:44,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:38:44,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:38:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:38:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:38:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:38:44,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:38:44,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:38:44,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:38:44,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:38:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:38:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:38:44,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:38:44,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:38:44,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:38:44,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:38:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:38:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:38:44,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:38:44,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 21:38:44,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:38:44,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:38:44,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:38:44,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:38:44,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:38:44,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:38:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:38:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:38:44,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:38:44,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:38:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:38:44,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:38:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:38:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:38:44,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:38:44,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:38:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:38:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:38:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:38:44,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:38:44,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:38:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:38:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:38:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:38:44,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:38:44,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:38:44,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:38:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:38:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:44,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 21:38:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 21:38:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:44,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 21:38:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:44,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:44,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:44,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:44,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:44,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:38:45,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562088490] [2020-10-27 21:38:45,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:38:45,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:38:45,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965797668] [2020-10-27 21:38:45,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:38:45,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:38:45,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:38:45,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:38:45,083 INFO L87 Difference]: Start difference. First operand 612 states and 828 transitions. Second operand 19 states. [2020-10-27 21:38:53,862 WARN L193 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:39:01,027 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:39:05,562 WARN L193 SmtUtils]: Spent 4.45 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 21:39:09,984 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 21:39:14,161 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 582