/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=SHALLOWEST --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_spec11_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:36:12,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:36:12,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:36:12,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:36:12,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:36:12,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:36:12,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:36:12,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:36:12,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:36:12,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:36:12,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:36:12,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:36:12,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:36:12,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:36:12,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:36:12,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:36:12,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:36:12,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:36:12,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:36:12,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:36:12,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:36:12,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:36:12,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:36:12,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:36:12,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:36:12,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:36:12,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:36:12,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:36:12,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:36:12,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:36:12,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:36:12,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:36:12,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:36:12,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:36:12,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:36:12,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:36:12,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:36:12,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:36:12,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:36:12,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:36:12,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:36:12,775 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 02:36:12,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:36:12,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:36:12,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:36:12,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:36:12,819 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:36:12,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:36:12,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:36:12,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:36:12,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:36:12,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:36:12,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:36:12,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:36:12,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:36:12,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:36:12,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:36:12,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:36:12,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:36:12,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:36:12,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:36:12,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:36:12,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:36:12,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:36:12,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:36:12,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:36:12,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:36:12,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:36:12,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:36:12,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:36:12,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:36:12,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:36:13,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:36:13,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:36:13,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:36:13,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:36:13,231 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:36:13,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2020-10-27 02:36:13,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/feb85f86e/034dbf351b5e43249aa924b5ca4f2b15/FLAG29f5e1aa6 [2020-10-27 02:36:14,084 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:36:14,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2020-10-27 02:36:14,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/feb85f86e/034dbf351b5e43249aa924b5ca4f2b15/FLAG29f5e1aa6 [2020-10-27 02:36:14,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/feb85f86e/034dbf351b5e43249aa924b5ca4f2b15 [2020-10-27 02:36:14,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:36:14,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:36:14,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:36:14,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:36:14,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:36:14,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:36:14" (1/1) ... [2020-10-27 02:36:14,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9839f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:14, skipping insertion in model container [2020-10-27 02:36:14,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:36:14" (1/1) ... [2020-10-27 02:36:14,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:36:14,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:36:15,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:36:15,210 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:36:15,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:36:15,427 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:36:15,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15 WrapperNode [2020-10-27 02:36:15,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:36:15,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:36:15,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:36:15,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:36:15,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (1/1) ... [2020-10-27 02:36:15,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (1/1) ... [2020-10-27 02:36:15,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (1/1) ... [2020-10-27 02:36:15,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (1/1) ... [2020-10-27 02:36:15,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (1/1) ... [2020-10-27 02:36:15,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (1/1) ... [2020-10-27 02:36:15,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (1/1) ... [2020-10-27 02:36:15,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:36:15,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:36:15,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:36:15,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:36:15,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (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 02:36:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:36:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:36:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:36:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:36:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 02:36:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:36:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 02:36:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:36:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 02:36:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:36:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:36:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:36:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:36:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:36:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 02:36:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 02:36:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 02:36:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 02:36:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 02:36:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 02:36:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 02:36:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 02:36:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 02:36:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 02:36:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:36:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:36:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:36:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:36:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:36:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:36:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:36:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:36:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:36:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:36:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:36:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:36:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:36:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:36:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:36:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:36:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:36:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:36:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 02:36:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:36:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:36:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 02:36:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:36:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:36:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:36:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:36:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:36:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:36:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:36:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:36:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:36:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:36:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:36:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:36:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:36:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:36:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:36:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:36:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:36:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:36:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:36:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:36:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:36:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:36:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:36:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:36:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:36:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:36:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:36:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:36:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:36:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:36:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:36:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:36:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:36:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:36:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:36:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:36:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:36:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 02:36:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:36:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:36:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:36:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:36:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:36:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:36:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:36:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:36:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:36:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:36:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:36:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:36:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:36:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:36:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:36:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:36:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:36:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:36:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:36:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:36:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:36:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:36:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:36:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:36:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 02:36:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:36:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:36:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:36:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:36:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:36:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:36:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:36:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:36:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 02:36:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 02:36:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 02:36:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 02:36:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 02:36:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 02:36:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 02:36:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 02:36:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 02:36:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 02:36:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 02:36:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 02:36:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 02:36:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:36:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:36:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:36:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 02:36:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:36:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:36:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:36:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:36:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:36:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:36:17,945 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:36:17,945 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:36:17,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:36:17 BoogieIcfgContainer [2020-10-27 02:36:17,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:36:17,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:36:17,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:36:17,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:36:17,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:36:14" (1/3) ... [2020-10-27 02:36:17,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f22a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:36:17, skipping insertion in model container [2020-10-27 02:36:17,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:36:15" (2/3) ... [2020-10-27 02:36:17,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f22a212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:36:17, skipping insertion in model container [2020-10-27 02:36:17,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:36:17" (3/3) ... [2020-10-27 02:36:17,960 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2020-10-27 02:36:17,974 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:36:17,980 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:36:17,996 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:36:18,054 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:36:18,054 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:36:18,055 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:36:18,055 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:36:18,055 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:36:18,055 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:36:18,055 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:36:18,055 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:36:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states. [2020-10-27 02:36:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 02:36:18,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:36:18,108 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:36:18,108 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 02:36:18,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:36:18,115 INFO L82 PathProgramCache]: Analyzing trace with hash 758344206, now seen corresponding path program 1 times [2020-10-27 02:36:18,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:36:18,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968593630] [2020-10-27 02:36:18,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:36:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:18,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:18,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:19,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:19,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:23,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 02:36:23,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:36:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-27 02:36:23,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:36:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:36:23,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:36:23,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:36:25,670 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:36:25,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:36:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:25,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:25,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:25,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:25,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 02:36:25,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:25,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:36:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:25,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:25,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:25,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:36:25,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:25,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:25,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:36:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:25,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:25,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:36:25,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:25,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:25,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:36:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:25,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:25,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:25,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:25,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:25,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:25,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:36:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:25,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:25,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:25,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:26,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:30,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:30,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:36:30,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:36:30,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:36:30,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:30,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:36:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:36:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:36:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:30,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:30,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:30,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:30,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:36:30,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:30,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:36:30,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:31,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:36:31,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:36:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:31,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:36:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:36:31,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:36:31,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 02:36:31,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:36:31,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:36:31,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:36:31,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:36:31,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:31,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 02:36:31,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:36:31,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:36:31,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:36:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:36:31,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:36:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:36:31,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:36:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:36:31,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:36:31,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:36:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:36:31,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:31,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:36:31,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:36:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 02:36:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:36:31,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:36:31,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:36:31,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:36:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:36:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:36:31,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 02:36:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:36:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 02:36:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:36:31,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 02:36:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:36:31,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:36:31,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:36:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:36:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:31,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:36:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 02:36:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:36:31,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:36:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 02:36:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:31,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:31,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:36:31,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:36:31,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:36:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:36:31,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:36:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:36:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:36:31,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:36:31,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:36:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:36:31,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968593630] [2020-10-27 02:36:31,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:36:31,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 02:36:31,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844340221] [2020-10-27 02:36:31,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:36:31,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:36:31,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:36:31,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:36:31,665 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 15 states. [2020-10-27 02:36:34,704 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 02:36:37,523 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:36:39,846 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:36:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:36:54,627 INFO L93 Difference]: Finished difference Result 1027 states and 1541 transitions. [2020-10-27 02:36:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 02:36:54,630 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2020-10-27 02:36:54,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:36:54,675 INFO L225 Difference]: With dead ends: 1027 [2020-10-27 02:36:54,676 INFO L226 Difference]: Without dead ends: 620 [2020-10-27 02:36:54,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=449, Invalid=1443, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 02:36:54,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2020-10-27 02:36:54,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 351. [2020-10-27 02:36:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-27 02:36:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 462 transitions. [2020-10-27 02:36:54,965 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 462 transitions. Word has length 153 [2020-10-27 02:36:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:36:54,966 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 462 transitions. [2020-10-27 02:36:54,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 02:36:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 462 transitions. [2020-10-27 02:36:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 02:36:54,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:36:54,974 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:36:54,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:36:54,975 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 02:36:54,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:36:54,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1032099229, now seen corresponding path program 1 times [2020-10-27 02:36:54,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:36:54,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106820436] [2020-10-27 02:36:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:36:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:36:55,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:55,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:55,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:36:55,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:00,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:00,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-27 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:37:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:02,042 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:37:02,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:37:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:02,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:02,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:02,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 02:37:02,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:02,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:02,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:02,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:02,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:02,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:02,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:02,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:02,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:02,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:02,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:02,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:02,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:37:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:02,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:02,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:02,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:02,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:02,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:02,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:37:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:02,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:02,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:02,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:02,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:02,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:02,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:37:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:02,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:37:07,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:37:07,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:37:07,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:37:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:37:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:37:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:37:07,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:37:07,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:07,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:37:07,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:37:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:37:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:37:07,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:37:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:37:07,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:37:07,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 02:37:07,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:37:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:37:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:37:07,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:37:07,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:07,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:37:07,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:37:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:37:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:37:07,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:37:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:37:07,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:37:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:37:07,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:37:07,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:07,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:37:07,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 02:37:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:37:07,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:37:07,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:37:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:07,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:07,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:37:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 02:37:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:37:07,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:37:07,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:37:07,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:37:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:37:07,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 02:37:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:37:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:37:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:37:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 02:37:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:37:07,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:07,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:37:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:07,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 02:37:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:07,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:37:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 02:37:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:07,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:07,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:07,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:07,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:07,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:37:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:37:07,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106820436] [2020-10-27 02:37:07,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:37:07,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 02:37:07,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103850593] [2020-10-27 02:37:08,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 02:37:08,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:37:08,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 02:37:08,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:37:08,003 INFO L87 Difference]: Start difference. First operand 351 states and 462 transitions. Second operand 17 states. [2020-10-27 02:37:11,229 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 02:37:13,868 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 02:37:15,853 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:37:17,988 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:37:20,075 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:37:34,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:37:34,165 INFO L93 Difference]: Finished difference Result 959 states and 1370 transitions. [2020-10-27 02:37:34,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 02:37:34,166 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 155 [2020-10-27 02:37:34,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:37:34,180 INFO L225 Difference]: With dead ends: 959 [2020-10-27 02:37:34,180 INFO L226 Difference]: Without dead ends: 642 [2020-10-27 02:37:34,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 02:37:34,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2020-10-27 02:37:34,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 365. [2020-10-27 02:37:34,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-10-27 02:37:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2020-10-27 02:37:34,435 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 479 transitions. Word has length 155 [2020-10-27 02:37:34,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:37:34,436 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 479 transitions. [2020-10-27 02:37:34,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 02:37:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 479 transitions. [2020-10-27 02:37:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 02:37:34,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:37:34,441 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:37:34,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:37:34,441 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 02:37:34,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:37:34,445 INFO L82 PathProgramCache]: Analyzing trace with hash 420187741, now seen corresponding path program 1 times [2020-10-27 02:37:34,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:37:34,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538340299] [2020-10-27 02:37:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:37:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:34,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:34,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:34,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:35,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 02:37:39,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:37:39,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 02:37:39,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 02:37:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:37:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-27 02:37:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:41,650 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:37:41,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:37:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:41,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:41,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:41,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:41,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:41,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:41,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:41,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:41,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:41,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:41,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:41,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:37:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:41,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:41,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:41,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:37:41,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:41,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:41,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:41,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:41,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:37:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:41,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:41,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:37:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:41,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:41,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:41,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:41,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:43,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:46,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:46,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:37:46,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:37:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:37:46,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:37:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:46,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 02:37:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:46,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:46,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:46,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:37:46,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:46,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:37:46,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:46,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:46,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:46,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:46,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:46,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:46,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:46,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:46,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:46,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:37:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:46,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:46,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:46,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:46,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:46,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:46,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:37:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:46,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:46,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 02:37:47,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:37:47,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 02:37:47,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:37:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:37:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:37:47,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:37:47,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:37:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:37:47,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:37:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:37:47,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:37:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:37:47,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:37:47,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:37:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:37:47,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:37:47,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:37:47,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:37:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:37:47,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:37:47,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:37:47,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:37:47,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:47,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:47,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:47,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:47,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:37:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:47,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:47,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 02:37:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:37:47,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 02:37:47,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:37:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:37:47,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:37:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:37:47,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:37:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:37:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:37:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:47,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:47,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 02:37:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:47,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:47,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:47,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:37:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:37:47,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:37:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:47,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 02:37:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:37:47,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:37:47,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:37:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:37:47,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:37:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:47,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:47,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:37:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:47,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 02:37:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:47,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:47,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:47,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:37:47,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:37:47,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:37:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:37:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:37:47,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 02:37:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:37:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:37:48,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:37:48,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:37:48,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:37:48,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:37:48,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:37:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:37:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:37:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:37:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:37:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:37:48,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538340299] [2020-10-27 02:37:48,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:37:48,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 02:37:48,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684631646] [2020-10-27 02:37:48,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 02:37:48,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:37:48,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 02:37:48,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2020-10-27 02:37:48,109 INFO L87 Difference]: Start difference. First operand 365 states and 479 transitions. Second operand 31 states. [2020-10-27 02:37:52,715 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 02:37:55,958 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:37:58,028 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 02:38:00,063 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:38:02,062 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:38:04,050 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:38:06,599 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 02:38:09,280 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-27 02:38:12,378 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:38:14,601 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:38:17,050 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:38:21,110 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:38:24,890 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 02:38:29,691 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:38:31,876 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 02:38:34,047 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 02:38:36,301 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 02:38:38,534 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 02:38:41,293 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 02:38:43,516 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 02:38:47,302 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:38:52,689 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 02:38:55,061 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:38:57,118 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 02:39:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:39:07,609 INFO L93 Difference]: Finished difference Result 936 states and 1300 transitions. [2020-10-27 02:39:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-27 02:39:07,610 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 156 [2020-10-27 02:39:07,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:39:07,617 INFO L225 Difference]: With dead ends: 936 [2020-10-27 02:39:07,617 INFO L226 Difference]: Without dead ends: 830 [2020-10-27 02:39:07,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2233 ImplicationChecksByTransitivity, 55.0s TimeCoverageRelationStatistics Valid=1322, Invalid=8184, Unknown=0, NotChecked=0, Total=9506 [2020-10-27 02:39:07,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-27 02:39:07,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 507. [2020-10-27 02:39:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-27 02:39:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 652 transitions. [2020-10-27 02:39:07,824 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 652 transitions. Word has length 156 [2020-10-27 02:39:07,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:39:07,825 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 652 transitions. [2020-10-27 02:39:07,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 02:39:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 652 transitions. [2020-10-27 02:39:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 02:39:07,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:39:07,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:39:07,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:39:07,829 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:39:07,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:39:07,830 INFO L82 PathProgramCache]: Analyzing trace with hash -653638847, now seen corresponding path program 1 times [2020-10-27 02:39:07,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:39:07,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528644693] [2020-10-27 02:39:07,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:39:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:07,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:07,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:08,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:08,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:08,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:09,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:12,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:12,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-27 02:39:12,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:39:12,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 02:39:12,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 02:39:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:39:12,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,068 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:39:15,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:39:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:15,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 02:39:15,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:39:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:39:15,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:15,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:39:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:39:15,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:15,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:39:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:15,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:15,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:39:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:39:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:39:15,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:15,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:39:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:39:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:39:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 02:39:15,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:39:15,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:39:15,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:39:15,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:15,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:39:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:15,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:39:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:39:15,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:39:15,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 02:39:15,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:15,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:39:15,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:39:15,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:39:15,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:39:15,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:39:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:39:15,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:39:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:39:15,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:39:15,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:39:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 02:39:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:39:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 02:39:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 02:39:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 02:39:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:15,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:39:15,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 02:39:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:39:15,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:39:15,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:39:15,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:15,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:15,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:15,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 02:39:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:15,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:15,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 02:39:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:15,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:15,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:15,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:15,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:15,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:39:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:39:16,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528644693] [2020-10-27 02:39:16,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:39:16,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 02:39:16,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705608499] [2020-10-27 02:39:16,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:39:16,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:39:16,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:39:16,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:39:16,049 INFO L87 Difference]: Start difference. First operand 507 states and 652 transitions. Second operand 15 states. [2020-10-27 02:39:18,691 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 02:39:21,416 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 02:39:24,213 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-27 02:39:36,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:39:36,746 INFO L93 Difference]: Finished difference Result 1247 states and 1726 transitions. [2020-10-27 02:39:36,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 02:39:36,749 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 157 [2020-10-27 02:39:36,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:39:36,755 INFO L225 Difference]: With dead ends: 1247 [2020-10-27 02:39:36,755 INFO L226 Difference]: Without dead ends: 814 [2020-10-27 02:39:36,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 02:39:36,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-10-27 02:39:36,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 507. [2020-10-27 02:39:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-27 02:39:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 651 transitions. [2020-10-27 02:39:36,965 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 651 transitions. Word has length 157 [2020-10-27 02:39:36,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:39:36,965 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 651 transitions. [2020-10-27 02:39:36,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 02:39:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 651 transitions. [2020-10-27 02:39:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 02:39:36,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:39:36,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:39:36,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:39:36,970 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:39:36,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:39:36,970 INFO L82 PathProgramCache]: Analyzing trace with hash 72847352, now seen corresponding path program 2 times [2020-10-27 02:39:36,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:39:36,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198410011] [2020-10-27 02:39:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:39:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:37,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:37,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:37,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:37,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:37,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:39,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:40,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:42,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:42,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 02:39:42,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:39:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 02:39:42,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:39:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 02:39:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:39:42,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:43,967 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 02:39:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:39:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:43,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:44,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:39:44,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:39:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:39:44,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:44,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:39:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:39:44,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:44,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:39:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:39:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:39:44,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:39:44,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:39:44,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:39:44,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:44,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:39:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:44,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:39:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 02:39:44,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:39:44,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:39:44,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:39:44,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:44,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:39:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:39:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:39:44,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:39:44,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 02:39:44,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:39:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:39:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:39:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:39:44,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:39:44,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:39:44,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:39:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:39:44,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:44,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:39:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:39:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 02:39:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:39:44,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:39:44,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:39:44,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:39:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:44,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:44,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 02:39:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:44,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:45,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:45,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:45,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:45,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 02:39:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:45,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:45,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:45,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:45,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:45,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:45,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 02:39:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:45,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:45,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:45,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 02:39:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:45,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:45,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:45,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:39:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:45,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:45,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:45,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:45,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:45,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:39:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 02:39:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:45,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:45,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:45,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:39:45,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:45,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:45,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:39:45,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:45,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:45,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 02:39:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:39:45,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:39:45,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:39:45,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:39:45,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:39:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:39:45,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:39:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:39:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:39:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:39:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:39:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:39:45,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198410011] [2020-10-27 02:39:45,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:39:45,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 02:39:45,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275675356] [2020-10-27 02:39:45,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:39:45,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:39:45,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:39:45,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:39:45,084 INFO L87 Difference]: Start difference. First operand 507 states and 651 transitions. Second operand 15 states. [2020-10-27 02:39:48,583 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 02:39:51,404 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 543